Initial commitHEADmaster

7 files changed, 4899 insertions, 0 deletions

diff --git a/static/js/app.js b/static/js/app.js
new file mode 100644
index 0000000..1bf422c
--- /dev/null
+++ b/static/js/app.js
@@ -0,0 +1,68 @@
+$(function(){
+
+  //Backbone.emulateJSON = false;
+
+  $('#gallery').dropzone({url: 'upload'});
+
+  var PhotoGallery = {};
+
+  PhotoGallery.Album = Backbone.Model.extend({
+    url: function(){
+      return this.id ? '/albums/' + this.id  : '/albums/'
+    },
+    defaults: {
+      name: 'New Album'
+    }
+  });
+
+  PhotoGallery.AlbumAddView = Backbone.View.extend({
+    el: '#dock .popover',
+
+    initialize: function(){
+      $('#new-album').popover('show');
+      $('#album-name').val(this.model.get('name'))
+      $('#album-name').focus();
+    },
+
+    events: {
+      'keyup #album-name': 'submitAlbum'
+    },
+
+    submitAlbum: function(e){
+      if (e.keyCode == 13) {
+        this.model.set('name', $(e.currentTarget).val());
+        this.model.save({success:function(r){
+          $('#new-album').popover('hide');
+          console.log(r);
+        }});
+      };
+    }
+
+  });
+
+  PhotoGallery.DockView = Backbone.View.extend({
+
+    el: '#dock',
+
+    events: {
+      'click #new-album': 'addAlbum',
+    },
+
+    initialize: function(){
+      $('#new-album').popover({
+        title: 'New Album',
+        html: true,
+        content: '<input type="text" id="album-name"/>'
+      });
+    },
+
+    addAlbum: function(e){
+      album = new PhotoGallery.Album({})
+      new PhotoGallery.AlbumAddView({model: album});
+    },
+
+  });
+
+  new PhotoGallery.DockView();
+
+});
diff --git a/static/js/backbone.js b/static/js/backbone.js
new file mode 100644
index 0000000..24a550a
--- /dev/null
+++ b/static/js/backbone.js
@@ -0,0 +1,1608 @@
+//     Backbone.js 1.1.2
+
+//     (c) 2010-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Backbone may be freely distributed under the MIT license.
+//     For all details and documentation:
+//     http://backbonejs.org
+
+(function(root, factory) {
+
+  // Set up Backbone appropriately for the environment. Start with AMD.
+  if (typeof define === 'function' && define.amd) {
+    define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
+      // Export global even in AMD case in case this script is loaded with
+      // others that may still expect a global Backbone.
+      root.Backbone = factory(root, exports, _, $);
+    });
+
+  // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+  } else if (typeof exports !== 'undefined') {
+    var _ = require('underscore');
+    factory(root, exports, _);
+
+  // Finally, as a browser global.
+  } else {
+    root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
+  }
+
+}(this, function(root, Backbone, _, $) {
+
+  // Initial Setup
+  // -------------
+
+  // Save the previous value of the `Backbone` variable, so that it can be
+  // restored later on, if `noConflict` is used.
+  var previousBackbone = root.Backbone;
+
+  // Create local references to array methods we'll want to use later.
+  var array = [];
+  var push = array.push;
+  var slice = array.slice;
+  var splice = array.splice;
+
+  // Current version of the library. Keep in sync with `package.json`.
+  Backbone.VERSION = '1.1.2';
+
+  // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+  // the `$` variable.
+  Backbone.$ = $;
+
+  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+  // to its previous owner. Returns a reference to this Backbone object.
+  Backbone.noConflict = function() {
+    root.Backbone = previousBackbone;
+    return this;
+  };
+
+  // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+  // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+  // set a `X-Http-Method-Override` header.
+  Backbone.emulateHTTP = false;
+
+  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+  // `application/json` requests ... will encode the body as
+  // `application/x-www-form-urlencoded` instead and will send the model in a
+  // form param named `model`.
+  Backbone.emulateJSON = false;
+
+  // Backbone.Events
+  // ---------------
+
+  // A module that can be mixed in to *any object* in order to provide it with
+  // custom events. You may bind with `on` or remove with `off` callback
+  // functions to an event; `trigger`-ing an event fires all callbacks in
+  // succession.
+  //
+  //     var object = {};
+  //     _.extend(object, Backbone.Events);
+  //     object.on('expand', function(){ alert('expanded'); });
+  //     object.trigger('expand');
+  //
+  var Events = Backbone.Events = {
+
+    // Bind an event to a `callback` function. Passing `"all"` will bind
+    // the callback to all events fired.
+    on: function(name, callback, context) {
+      if (!eventsApi(this, 'on', name, [callback, context]) || !callback) return this;
+      this._events || (this._events = {});
+      var events = this._events[name] || (this._events[name] = []);
+      events.push({callback: callback, context: context, ctx: context || this});
+      return this;
+    },
+
+    // Bind an event to only be triggered a single time. After the first time
+    // the callback is invoked, it will be removed.
+    once: function(name, callback, context) {
+      if (!eventsApi(this, 'once', name, [callback, context]) || !callback) return this;
+      var self = this;
+      var once = _.once(function() {
+        self.off(name, once);
+        callback.apply(this, arguments);
+      });
+      once._callback = callback;
+      return this.on(name, once, context);
+    },
+
+    // Remove one or many callbacks. If `context` is null, removes all
+    // callbacks with that function. If `callback` is null, removes all
+    // callbacks for the event. If `name` is null, removes all bound
+    // callbacks for all events.
+    off: function(name, callback, context) {
+      var retain, ev, events, names, i, l, j, k;
+      if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this;
+      if (!name && !callback && !context) {
+        this._events = void 0;
+        return this;
+      }
+      names = name ? [name] : _.keys(this._events);
+      for (i = 0, l = names.length; i < l; i++) {
+        name = names[i];
+        if (events = this._events[name]) {
+          this._events[name] = retain = [];
+          if (callback || context) {
+            for (j = 0, k = events.length; j < k; j++) {
+              ev = events[j];
+              if ((callback && callback !== ev.callback && callback !== ev.callback._callback) ||
+                  (context && context !== ev.context)) {
+                retain.push(ev);
+              }
+            }
+          }
+          if (!retain.length) delete this._events[name];
+        }
+      }
+
+      return this;
+    },
+
+    // Trigger one or many events, firing all bound callbacks. Callbacks are
+    // passed the same arguments as `trigger` is, apart from the event name
+    // (unless you're listening on `"all"`, which will cause your callback to
+    // receive the true name of the event as the first argument).
+    trigger: function(name) {
+      if (!this._events) return this;
+      var args = slice.call(arguments, 1);
+      if (!eventsApi(this, 'trigger', name, args)) return this;
+      var events = this._events[name];
+      var allEvents = this._events.all;
+      if (events) triggerEvents(events, args);
+      if (allEvents) triggerEvents(allEvents, arguments);
+      return this;
+    },
+
+    // Tell this object to stop listening to either specific events ... or
+    // to every object it's currently listening to.
+    stopListening: function(obj, name, callback) {
+      var listeningTo = this._listeningTo;
+      if (!listeningTo) return this;
+      var remove = !name && !callback;
+      if (!callback && typeof name === 'object') callback = this;
+      if (obj) (listeningTo = {})[obj._listenId] = obj;
+      for (var id in listeningTo) {
+        obj = listeningTo[id];
+        obj.off(name, callback, this);
+        if (remove || _.isEmpty(obj._events)) delete this._listeningTo[id];
+      }
+      return this;
+    }
+
+  };
+
+  // Regular expression used to split event strings.
+  var eventSplitter = /\s+/;
+
+  // Implement fancy features of the Events API such as multiple event
+  // names `"change blur"` and jQuery-style event maps `{change: action}`
+  // in terms of the existing API.
+  var eventsApi = function(obj, action, name, rest) {
+    if (!name) return true;
+
+    // Handle event maps.
+    if (typeof name === 'object') {
+      for (var key in name) {
+        obj[action].apply(obj, [key, name[key]].concat(rest));
+      }
+      return false;
+    }
+
+    // Handle space separated event names.
+    if (eventSplitter.test(name)) {
+      var names = name.split(eventSplitter);
+      for (var i = 0, l = names.length; i < l; i++) {
+        obj[action].apply(obj, [names[i]].concat(rest));
+      }
+      return false;
+    }
+
+    return true;
+  };
+
+  // A difficult-to-believe, but optimized internal dispatch function for
+  // triggering events. Tries to keep the usual cases speedy (most internal
+  // Backbone events have 3 arguments).
+  var triggerEvents = function(events, args) {
+    var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+    switch (args.length) {
+      case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+      case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+      case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+      case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+      default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
+    }
+  };
+
+  var listenMethods = {listenTo: 'on', listenToOnce: 'once'};
+
+  // Inversion-of-control versions of `on` and `once`. Tell *this* object to
+  // listen to an event in another object ... keeping track of what it's
+  // listening to.
+  _.each(listenMethods, function(implementation, method) {
+    Events[method] = function(obj, name, callback) {
+      var listeningTo = this._listeningTo || (this._listeningTo = {});
+      var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+      listeningTo[id] = obj;
+      if (!callback && typeof name === 'object') callback = this;
+      obj[implementation](name, callback, this);
+      return this;
+    };
+  });
+
+  // Aliases for backwards compatibility.
+  Events.bind   = Events.on;
+  Events.unbind = Events.off;
+
+  // Allow the `Backbone` object to serve as a global event bus, for folks who
+  // want global "pubsub" in a convenient place.
+  _.extend(Backbone, Events);
+
+  // Backbone.Model
+  // --------------
+
+  // Backbone **Models** are the basic data object in the framework --
+  // frequently representing a row in a table in a database on your server.
+  // A discrete chunk of data and a bunch of useful, related methods for
+  // performing computations and transformations on that data.
+
+  // Create a new model with the specified attributes. A client id (`cid`)
+  // is automatically generated and assigned for you.
+  var Model = Backbone.Model = function(attributes, options) {
+    var attrs = attributes || {};
+    options || (options = {});
+    this.cid = _.uniqueId('c');
+    this.attributes = {};
+    if (options.collection) this.collection = options.collection;
+    if (options.parse) attrs = this.parse(attrs, options) || {};
+    attrs = _.defaults({}, attrs, _.result(this, 'defaults'));
+    this.set(attrs, options);
+    this.changed = {};
+    this.initialize.apply(this, arguments);
+  };
+
+  // Attach all inheritable methods to the Model prototype.
+  _.extend(Model.prototype, Events, {
+
+    // A hash of attributes whose current and previous value differ.
+    changed: null,
+
+    // The value returned during the last failed validation.
+    validationError: null,
+
+    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+    // CouchDB users may want to set this to `"_id"`.
+    idAttribute: 'id',
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Return a copy of the model's `attributes` object.
+    toJSON: function(options) {
+      return _.clone(this.attributes);
+    },
+
+    // Proxy `Backbone.sync` by default -- but override this if you need
+    // custom syncing semantics for *this* particular model.
+    sync: function() {
+      return Backbone.sync.apply(this, arguments);
+    },
+
+    // Get the value of an attribute.
+    get: function(attr) {
+      return this.attributes[attr];
+    },
+
+    // Get the HTML-escaped value of an attribute.
+    escape: function(attr) {
+      return _.escape(this.get(attr));
+    },
+
+    // Returns `true` if the attribute contains a value that is not null
+    // or undefined.
+    has: function(attr) {
+      return this.get(attr) != null;
+    },
+
+    // Set a hash of model attributes on the object, firing `"change"`. This is
+    // the core primitive operation of a model, updating the data and notifying
+    // anyone who needs to know about the change in state. The heart of the beast.
+    set: function(key, val, options) {
+      var attr, attrs, unset, changes, silent, changing, prev, current;
+      if (key == null) return this;
+
+      // Handle both `"key", value` and `{key: value}` -style arguments.
+      if (typeof key === 'object') {
+        attrs = key;
+        options = val;
+      } else {
+        (attrs = {})[key] = val;
+      }
+
+      options || (options = {});
+
+      // Run validation.
+      if (!this._validate(attrs, options)) return false;
+
+      // Extract attributes and options.
+      unset           = options.unset;
+      silent          = options.silent;
+      changes         = [];
+      changing        = this._changing;
+      this._changing  = true;
+
+      if (!changing) {
+        this._previousAttributes = _.clone(this.attributes);
+        this.changed = {};
+      }
+      current = this.attributes, prev = this._previousAttributes;
+
+      // Check for changes of `id`.
+      if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+      // For each `set` attribute, update or delete the current value.
+      for (attr in attrs) {
+        val = attrs[attr];
+        if (!_.isEqual(current[attr], val)) changes.push(attr);
+        if (!_.isEqual(prev[attr], val)) {
+          this.changed[attr] = val;
+        } else {
+          delete this.changed[attr];
+        }
+        unset ? delete current[attr] : current[attr] = val;
+      }
+
+      // Trigger all relevant attribute changes.
+      if (!silent) {
+        if (changes.length) this._pending = options;
+        for (var i = 0, l = changes.length; i < l; i++) {
+          this.trigger('change:' + changes[i], this, current[changes[i]], options);
+        }
+      }
+
+      // You might be wondering why there's a `while` loop here. Changes can
+      // be recursively nested within `"change"` events.
+      if (changing) return this;
+      if (!silent) {
+        while (this._pending) {
+          options = this._pending;
+          this._pending = false;
+          this.trigger('change', this, options);
+        }
+      }
+      this._pending = false;
+      this._changing = false;
+      return this;
+    },
+
+    // Remove an attribute from the model, firing `"change"`. `unset` is a noop
+    // if the attribute doesn't exist.
+    unset: function(attr, options) {
+      return this.set(attr, void 0, _.extend({}, options, {unset: true}));
+    },
+
+    // Clear all attributes on the model, firing `"change"`.
+    clear: function(options) {
+      var attrs = {};
+      for (var key in this.attributes) attrs[key] = void 0;
+      return this.set(attrs, _.extend({}, options, {unset: true}));
+    },
+
+    // Determine if the model has changed since the last `"change"` event.
+    // If you specify an attribute name, determine if that attribute has changed.
+    hasChanged: function(attr) {
+      if (attr == null) return !_.isEmpty(this.changed);
+      return _.has(this.changed, attr);
+    },
+
+    // Return an object containing all the attributes that have changed, or
+    // false if there are no changed attributes. Useful for determining what
+    // parts of a view need to be updated and/or what attributes need to be
+    // persisted to the server. Unset attributes will be set to undefined.
+    // You can also pass an attributes object to diff against the model,
+    // determining if there *would be* a change.
+    changedAttributes: function(diff) {
+      if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+      var val, changed = false;
+      var old = this._changing ? this._previousAttributes : this.attributes;
+      for (var attr in diff) {
+        if (_.isEqual(old[attr], (val = diff[attr]))) continue;
+        (changed || (changed = {}))[attr] = val;
+      }
+      return changed;
+    },
+
+    // Get the previous value of an attribute, recorded at the time the last
+    // `"change"` event was fired.
+    previous: function(attr) {
+      if (attr == null || !this._previousAttributes) return null;
+      return this._previousAttributes[attr];
+    },
+
+    // Get all of the attributes of the model at the time of the previous
+    // `"change"` event.
+    previousAttributes: function() {
+      return _.clone(this._previousAttributes);
+    },
+
+    // Fetch the model from the server. If the server's representation of the
+    // model differs from its current attributes, they will be overridden,
+    // triggering a `"change"` event.
+    fetch: function(options) {
+      options = options ? _.clone(options) : {};
+      if (options.parse === void 0) options.parse = true;
+      var model = this;
+      var success = options.success;
+      options.success = function(resp) {
+        if (!model.set(model.parse(resp, options), options)) return false;
+        if (success) success(model, resp, options);
+        model.trigger('sync', model, resp, options);
+      };
+      wrapError(this, options);
+      return this.sync('read', this, options);
+    },
+
+    // Set a hash of model attributes, and sync the model to the server.
+    // If the server returns an attributes hash that differs, the model's
+    // state will be `set` again.
+    save: function(key, val, options) {
+      var attrs, method, xhr, attributes = this.attributes;
+
+      // Handle both `"key", value` and `{key: value}` -style arguments.
+      if (key == null || typeof key === 'object') {
+        attrs = key;
+        options = val;
+      } else {
+        (attrs = {})[key] = val;
+      }
+
+      options = _.extend({validate: true}, options);
+
+      // If we're not waiting and attributes exist, save acts as
+      // `set(attr).save(null, opts)` with validation. Otherwise, check if
+      // the model will be valid when the attributes, if any, are set.
+      if (attrs && !options.wait) {
+        if (!this.set(attrs, options)) return false;
+      } else {
+        if (!this._validate(attrs, options)) return false;
+      }
+
+      // Set temporary attributes if `{wait: true}`.
+      if (attrs && options.wait) {
+        this.attributes = _.extend({}, attributes, attrs);
+      }
+
+      // After a successful server-side save, the client is (optionally)
+      // updated with the server-side state.
+      if (options.parse === void 0) options.parse = true;
+      var model = this;
+      var success = options.success;
+      options.success = function(resp) {
+        // Ensure attributes are restored during synchronous saves.
+        model.attributes = attributes;
+        var serverAttrs = model.parse(resp, options);
+        if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs);
+        if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) {
+          return false;
+        }
+        if (success) success(model, resp, options);
+        model.trigger('sync', model, resp, options);
+      };
+      wrapError(this, options);
+
+      method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+      if (method === 'patch') options.attrs = attrs;
+      xhr = this.sync(method, this, options);
+
+      // Restore attributes.
+      if (attrs && options.wait) this.attributes = attributes;
+
+      return xhr;
+    },
+
+    // Destroy this model on the server if it was already persisted.
+    // Optimistically removes the model from its collection, if it has one.
+    // If `wait: true` is passed, waits for the server to respond before removal.
+    destroy: function(options) {
+      options = options ? _.clone(options) : {};
+      var model = this;
+      var success = options.success;
+
+      var destroy = function() {
+        model.trigger('destroy', model, model.collection, options);
+      };
+
+      options.success = function(resp) {
+        if (options.wait || model.isNew()) destroy();
+        if (success) success(model, resp, options);
+        if (!model.isNew()) model.trigger('sync', model, resp, options);
+      };
+
+      if (this.isNew()) {
+        options.success();
+        return false;
+      }
+      wrapError(this, options);
+
+      var xhr = this.sync('delete', this, options);
+      if (!options.wait) destroy();
+      return xhr;
+    },
+
+    // Default URL for the model's representation on the server -- if you're
+    // using Backbone's restful methods, override this to change the endpoint
+    // that will be called.
+    url: function() {
+      var base =
+        _.result(this, 'urlRoot') ||
+        _.result(this.collection, 'url') ||
+        urlError();
+      if (this.isNew()) return base;
+      return base.replace(/([^\/])$/, '$1/') + encodeURIComponent(this.id);
+    },
+
+    // **parse** converts a response into the hash of attributes to be `set` on
+    // the model. The default implementation is just to pass the response along.
+    parse: function(resp, options) {
+      return resp;
+    },
+
+    // Create a new model with identical attributes to this one.
+    clone: function() {
+      return new this.constructor(this.attributes);
+    },
+
+    // A model is new if it has never been saved to the server, and lacks an id.
+    isNew: function() {
+      return !this.has(this.idAttribute);
+    },
+
+    // Check if the model is currently in a valid state.
+    isValid: function(options) {
+      return this._validate({}, _.extend(options || {}, { validate: true }));
+    },
+
+    // Run validation against the next complete set of model attributes,
+    // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+    _validate: function(attrs, options) {
+      if (!options.validate || !this.validate) return true;
+      attrs = _.extend({}, this.attributes, attrs);
+      var error = this.validationError = this.validate(attrs, options) || null;
+      if (!error) return true;
+      this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
+      return false;
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Model.
+  var modelMethods = ['keys', 'values', 'pairs', 'invert', 'pick', 'omit'];
+
+  // Mix in each Underscore method as a proxy to `Model#attributes`.
+  _.each(modelMethods, function(method) {
+    Model.prototype[method] = function() {
+      var args = slice.call(arguments);
+      args.unshift(this.attributes);
+      return _[method].apply(_, args);
+    };
+  });
+
+  // Backbone.Collection
+  // -------------------
+
+  // If models tend to represent a single row of data, a Backbone Collection is
+  // more analagous to a table full of data ... or a small slice or page of that
+  // table, or a collection of rows that belong together for a particular reason
+  // -- all of the messages in this particular folder, all of the documents
+  // belonging to this particular author, and so on. Collections maintain
+  // indexes of their models, both in order, and for lookup by `id`.
+
+  // Create a new **Collection**, perhaps to contain a specific type of `model`.
+  // If a `comparator` is specified, the Collection will maintain
+  // its models in sort order, as they're added and removed.
+  var Collection = Backbone.Collection = function(models, options) {
+    options || (options = {});
+    if (options.model) this.model = options.model;
+    if (options.comparator !== void 0) this.comparator = options.comparator;
+    this._reset();
+    this.initialize.apply(this, arguments);
+    if (models) this.reset(models, _.extend({silent: true}, options));
+  };
+
+  // Default options for `Collection#set`.
+  var setOptions = {add: true, remove: true, merge: true};
+  var addOptions = {add: true, remove: false};
+
+  // Define the Collection's inheritable methods.
+  _.extend(Collection.prototype, Events, {
+
+    // The default model for a collection is just a **Backbone.Model**.
+    // This should be overridden in most cases.
+    model: Model,
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // The JSON representation of a Collection is an array of the
+    // models' attributes.
+    toJSON: function(options) {
+      return this.map(function(model){ return model.toJSON(options); });
+    },
+
+    // Proxy `Backbone.sync` by default.
+    sync: function() {
+      return Backbone.sync.apply(this, arguments);
+    },
+
+    // Add a model, or list of models to the set.
+    add: function(models, options) {
+      return this.set(models, _.extend({merge: false}, options, addOptions));
+    },
+
+    // Remove a model, or a list of models from the set.
+    remove: function(models, options) {
+      var singular = !_.isArray(models);
+      models = singular ? [models] : _.clone(models);
+      options || (options = {});
+      var i, l, index, model;
+      for (i = 0, l = models.length; i < l; i++) {
+        model = models[i] = this.get(models[i]);
+        if (!model) continue;
+        delete this._byId[model.id];
+        delete this._byId[model.cid];
+        index = this.indexOf(model);
+        this.models.splice(index, 1);
+        this.length--;
+        if (!options.silent) {
+          options.index = index;
+          model.trigger('remove', model, this, options);
+        }
+        this._removeReference(model, options);
+      }
+      return singular ? models[0] : models;
+    },
+
+    // Update a collection by `set`-ing a new list of models, adding new ones,
+    // removing models that are no longer present, and merging models that
+    // already exist in the collection, as necessary. Similar to **Model#set**,
+    // the core operation for updating the data contained by the collection.
+    set: function(models, options) {
+      options = _.defaults({}, options, setOptions);
+      if (options.parse) models = this.parse(models, options);
+      var singular = !_.isArray(models);
+      models = singular ? (models ? [models] : []) : _.clone(models);
+      var i, l, id, model, attrs, existing, sort;
+      var at = options.at;
+      var targetModel = this.model;
+      var sortable = this.comparator && (at == null) && options.sort !== false;
+      var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+      var toAdd = [], toRemove = [], modelMap = {};
+      var add = options.add, merge = options.merge, remove = options.remove;
+      var order = !sortable && add && remove ? [] : false;
+
+      // Turn bare objects into model references, and prevent invalid models
+      // from being added.
+      for (i = 0, l = models.length; i < l; i++) {
+        attrs = models[i] || {};
+        if (attrs instanceof Model) {
+          id = model = attrs;
+        } else {
+          id = attrs[targetModel.prototype.idAttribute || 'id'];
+        }
+
+        // If a duplicate is found, prevent it from being added and
+        // optionally merge it into the existing model.
+        if (existing = this.get(id)) {
+          if (remove) modelMap[existing.cid] = true;
+          if (merge) {
+            attrs = attrs === model ? model.attributes : attrs;
+            if (options.parse) attrs = existing.parse(attrs, options);
+            existing.set(attrs, options);
+            if (sortable && !sort && existing.hasChanged(sortAttr)) sort = true;
+          }
+          models[i] = existing;
+
+        // If this is a new, valid model, push it to the `toAdd` list.
+        } else if (add) {
+          model = models[i] = this._prepareModel(attrs, options);
+          if (!model) continue;
+          toAdd.push(model);
+          this._addReference(model, options);
+        }
+
+        // Do not add multiple models with the same `id`.
+        model = existing || model;
+        if (order && (model.isNew() || !modelMap[model.id])) order.push(model);
+        modelMap[model.id] = true;
+      }
+
+      // Remove nonexistent models if appropriate.
+      if (remove) {
+        for (i = 0, l = this.length; i < l; ++i) {
+          if (!modelMap[(model = this.models[i]).cid]) toRemove.push(model);
+        }
+        if (toRemove.length) this.remove(toRemove, options);
+      }
+
+      // See if sorting is needed, update `length` and splice in new models.
+      if (toAdd.length || (order && order.length)) {
+        if (sortable) sort = true;
+        this.length += toAdd.length;
+        if (at != null) {
+          for (i = 0, l = toAdd.length; i < l; i++) {
+            this.models.splice(at + i, 0, toAdd[i]);
+          }
+        } else {
+          if (order) this.models.length = 0;
+          var orderedModels = order || toAdd;
+          for (i = 0, l = orderedModels.length; i < l; i++) {
+            this.models.push(orderedModels[i]);
+          }
+        }
+      }
+
+      // Silently sort the collection if appropriate.
+      if (sort) this.sort({silent: true});
+
+      // Unless silenced, it's time to fire all appropriate add/sort events.
+      if (!options.silent) {
+        for (i = 0, l = toAdd.length; i < l; i++) {
+          (model = toAdd[i]).trigger('add', model, this, options);
+        }
+        if (sort || (order && order.length)) this.trigger('sort', this, options);
+      }
+
+      // Return the added (or merged) model (or models).
+      return singular ? models[0] : models;
+    },
+
+    // When you have more items than you want to add or remove individually,
+    // you can reset the entire set with a new list of models, without firing
+    // any granular `add` or `remove` events. Fires `reset` when finished.
+    // Useful for bulk operations and optimizations.
+    reset: function(models, options) {
+      options || (options = {});
+      for (var i = 0, l = this.models.length; i < l; i++) {
+        this._removeReference(this.models[i], options);
+      }
+      options.previousModels = this.models;
+      this._reset();
+      models = this.add(models, _.extend({silent: true}, options));
+      if (!options.silent) this.trigger('reset', this, options);
+      return models;
+    },
+
+    // Add a model to the end of the collection.
+    push: function(model, options) {
+      return this.add(model, _.extend({at: this.length}, options));
+    },
+
+    // Remove a model from the end of the collection.
+    pop: function(options) {
+      var model = this.at(this.length - 1);
+      this.remove(model, options);
+      return model;
+    },
+
+    // Add a model to the beginning of the collection.
+    unshift: function(model, options) {
+      return this.add(model, _.extend({at: 0}, options));
+    },
+
+    // Remove a model from the beginning of the collection.
+    shift: function(options) {
+      var model = this.at(0);
+      this.remove(model, options);
+      return model;
+    },
+
+    // Slice out a sub-array of models from the collection.
+    slice: function() {
+      return slice.apply(this.models, arguments);
+    },
+
+    // Get a model from the set by id.
+    get: function(obj) {
+      if (obj == null) return void 0;
+      return this._byId[obj] || this._byId[obj.id] || this._byId[obj.cid];
+    },
+
+    // Get the model at the given index.
+    at: function(index) {
+      return this.models[index];
+    },
+
+    // Return models with matching attributes. Useful for simple cases of
+    // `filter`.
+    where: function(attrs, first) {
+      if (_.isEmpty(attrs)) return first ? void 0 : [];
+      return this[first ? 'find' : 'filter'](function(model) {
+        for (var key in attrs) {
+          if (attrs[key] !== model.get(key)) return false;
+        }
+        return true;
+      });
+    },
+
+    // Return the first model with matching attributes. Useful for simple cases
+    // of `find`.
+    findWhere: function(attrs) {
+      return this.where(attrs, true);
+    },
+
+    // Force the collection to re-sort itself. You don't need to call this under
+    // normal circumstances, as the set will maintain sort order as each item
+    // is added.
+    sort: function(options) {
+      if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
+      options || (options = {});
+
+      // Run sort based on type of `comparator`.
+      if (_.isString(this.comparator) || this.comparator.length === 1) {
+        this.models = this.sortBy(this.comparator, this);
+      } else {
+        this.models.sort(_.bind(this.comparator, this));
+      }
+
+      if (!options.silent) this.trigger('sort', this, options);
+      return this;
+    },
+
+    // Pluck an attribute from each model in the collection.
+    pluck: function(attr) {
+      return _.invoke(this.models, 'get', attr);
+    },
+
+    // Fetch the default set of models for this collection, resetting the
+    // collection when they arrive. If `reset: true` is passed, the response
+    // data will be passed through the `reset` method instead of `set`.
+    fetch: function(options) {
+      options = options ? _.clone(options) : {};
+      if (options.parse === void 0) options.parse = true;
+      var success = options.success;
+      var collection = this;
+      options.success = function(resp) {
+        var method = options.reset ? 'reset' : 'set';
+        collection[method](resp, options);
+        if (success) success(collection, resp, options);
+        collection.trigger('sync', collection, resp, options);
+      };
+      wrapError(this, options);
+      return this.sync('read', this, options);
+    },
+
+    // Create a new instance of a model in this collection. Add the model to the
+    // collection immediately, unless `wait: true` is passed, in which case we
+    // wait for the server to agree.
+    create: function(model, options) {
+      options = options ? _.clone(options) : {};
+      if (!(model = this._prepareModel(model, options))) return false;
+      if (!options.wait) this.add(model, options);
+      var collection = this;
+      var success = options.success;
+      options.success = function(model, resp) {
+        if (options.wait) collection.add(model, options);
+        if (success) success(model, resp, options);
+      };
+      model.save(null, options);
+      return model;
+    },
+
+    // **parse** converts a response into a list of models to be added to the
+    // collection. The default implementation is just to pass it through.
+    parse: function(resp, options) {
+      return resp;
+    },
+
+    // Create a new collection with an identical list of models as this one.
+    clone: function() {
+      return new this.constructor(this.models);
+    },
+
+    // Private method to reset all internal state. Called when the collection
+    // is first initialized or reset.
+    _reset: function() {
+      this.length = 0;
+      this.models = [];
+      this._byId  = {};
+    },
+
+    // Prepare a hash of attributes (or other model) to be added to this
+    // collection.
+    _prepareModel: function(attrs, options) {
+      if (attrs instanceof Model) return attrs;
+      options = options ? _.clone(options) : {};
+      options.collection = this;
+      var model = new this.model(attrs, options);
+      if (!model.validationError) return model;
+      this.trigger('invalid', this, model.validationError, options);
+      return false;
+    },
+
+    // Internal method to create a model's ties to a collection.
+    _addReference: function(model, options) {
+      this._byId[model.cid] = model;
+      if (model.id != null) this._byId[model.id] = model;
+      if (!model.collection) model.collection = this;
+      model.on('all', this._onModelEvent, this);
+    },
+
+    // Internal method to sever a model's ties to a collection.
+    _removeReference: function(model, options) {
+      if (this === model.collection) delete model.collection;
+      model.off('all', this._onModelEvent, this);
+    },
+
+    // Internal method called every time a model in the set fires an event.
+    // Sets need to update their indexes when models change ids. All other
+    // events simply proxy through. "add" and "remove" events that originate
+    // in other collections are ignored.
+    _onModelEvent: function(event, model, collection, options) {
+      if ((event === 'add' || event === 'remove') && collection !== this) return;
+      if (event === 'destroy') this.remove(model, options);
+      if (model && event === 'change:' + model.idAttribute) {
+        delete this._byId[model.previous(model.idAttribute)];
+        if (model.id != null) this._byId[model.id] = model;
+      }
+      this.trigger.apply(this, arguments);
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Collection.
+  // 90% of the core usefulness of Backbone Collections is actually implemented
+  // right here:
+  var methods = ['forEach', 'each', 'map', 'collect', 'reduce', 'foldl',
+    'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select',
+    'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke',
+    'max', 'min', 'toArray', 'size', 'first', 'head', 'take', 'initial', 'rest',
+    'tail', 'drop', 'last', 'without', 'difference', 'indexOf', 'shuffle',
+    'lastIndexOf', 'isEmpty', 'chain', 'sample'];
+
+  // Mix in each Underscore method as a proxy to `Collection#models`.
+  _.each(methods, function(method) {
+    Collection.prototype[method] = function() {
+      var args = slice.call(arguments);
+      args.unshift(this.models);
+      return _[method].apply(_, args);
+    };
+  });
+
+  // Underscore methods that take a property name as an argument.
+  var attributeMethods = ['groupBy', 'countBy', 'sortBy', 'indexBy'];
+
+  // Use attributes instead of properties.
+  _.each(attributeMethods, function(method) {
+    Collection.prototype[method] = function(value, context) {
+      var iterator = _.isFunction(value) ? value : function(model) {
+        return model.get(value);
+      };
+      return _[method](this.models, iterator, context);
+    };
+  });
+
+  // Backbone.View
+  // -------------
+
+  // Backbone Views are almost more convention than they are actual code. A View
+  // is simply a JavaScript object that represents a logical chunk of UI in the
+  // DOM. This might be a single item, an entire list, a sidebar or panel, or
+  // even the surrounding frame which wraps your whole app. Defining a chunk of
+  // UI as a **View** allows you to define your DOM events declaratively, without
+  // having to worry about render order ... and makes it easy for the view to
+  // react to specific changes in the state of your models.
+
+  // Creating a Backbone.View creates its initial element outside of the DOM,
+  // if an existing element is not provided...
+  var View = Backbone.View = function(options) {
+    this.cid = _.uniqueId('view');
+    options || (options = {});
+    _.extend(this, _.pick(options, viewOptions));
+    this._ensureElement();
+    this.initialize.apply(this, arguments);
+    this.delegateEvents();
+  };
+
+  // Cached regex to split keys for `delegate`.
+  var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+  // List of view options to be merged as properties.
+  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+  // Set up all inheritable **Backbone.View** properties and methods.
+  _.extend(View.prototype, Events, {
+
+    // The default `tagName` of a View's element is `"div"`.
+    tagName: 'div',
+
+    // jQuery delegate for element lookup, scoped to DOM elements within the
+    // current view. This should be preferred to global lookups where possible.
+    $: function(selector) {
+      return this.$el.find(selector);
+    },
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // **render** is the core function that your view should override, in order
+    // to populate its element (`this.el`), with the appropriate HTML. The
+    // convention is for **render** to always return `this`.
+    render: function() {
+      return this;
+    },
+
+    // Remove this view by taking the element out of the DOM, and removing any
+    // applicable Backbone.Events listeners.
+    remove: function() {
+      this.$el.remove();
+      this.stopListening();
+      return this;
+    },
+
+    // Change the view's element (`this.el` property), including event
+    // re-delegation.
+    setElement: function(element, delegate) {
+      if (this.$el) this.undelegateEvents();
+      this.$el = element instanceof Backbone.$ ? element : Backbone.$(element);
+      this.el = this.$el[0];
+      if (delegate !== false) this.delegateEvents();
+      return this;
+    },
+
+    // Set callbacks, where `this.events` is a hash of
+    //
+    // *{"event selector": "callback"}*
+    //
+    //     {
+    //       'mousedown .title':  'edit',
+    //       'click .button':     'save',
+    //       'click .open':       function(e) { ... }
+    //     }
+    //
+    // pairs. Callbacks will be bound to the view, with `this` set properly.
+    // Uses event delegation for efficiency.
+    // Omitting the selector binds the event to `this.el`.
+    // This only works for delegate-able events: not `focus`, `blur`, and
+    // not `change`, `submit`, and `reset` in Internet Explorer.
+    delegateEvents: function(events) {
+      if (!(events || (events = _.result(this, 'events')))) return this;
+      this.undelegateEvents();
+      for (var key in events) {
+        var method = events[key];
+        if (!_.isFunction(method)) method = this[events[key]];
+        if (!method) continue;
+
+        var match = key.match(delegateEventSplitter);
+        var eventName = match[1], selector = match[2];
+        method = _.bind(method, this);
+        eventName += '.delegateEvents' + this.cid;
+        if (selector === '') {
+          this.$el.on(eventName, method);
+        } else {
+          this.$el.on(eventName, selector, method);
+        }
+      }
+      return this;
+    },
+
+    // Clears all callbacks previously bound to the view with `delegateEvents`.
+    // You usually don't need to use this, but may wish to if you have multiple
+    // Backbone views attached to the same DOM element.
+    undelegateEvents: function() {
+      this.$el.off('.delegateEvents' + this.cid);
+      return this;
+    },
+
+    // Ensure that the View has a DOM element to render into.
+    // If `this.el` is a string, pass it through `$()`, take the first
+    // matching element, and re-assign it to `el`. Otherwise, create
+    // an element from the `id`, `className` and `tagName` properties.
+    _ensureElement: function() {
+      if (!this.el) {
+        var attrs = _.extend({}, _.result(this, 'attributes'));
+        if (this.id) attrs.id = _.result(this, 'id');
+        if (this.className) attrs['class'] = _.result(this, 'className');
+        var $el = Backbone.$('<' + _.result(this, 'tagName') + '>').attr(attrs);
+        this.setElement($el, false);
+      } else {
+        this.setElement(_.result(this, 'el'), false);
+      }
+    }
+
+  });
+
+  // Backbone.sync
+  // -------------
+
+  // Override this function to change the manner in which Backbone persists
+  // models to the server. You will be passed the type of request, and the
+  // model in question. By default, makes a RESTful Ajax request
+  // to the model's `url()`. Some possible customizations could be:
+  //
+  // * Use `setTimeout` to batch rapid-fire updates into a single request.
+  // * Send up the models as XML instead of JSON.
+  // * Persist models via WebSockets instead of Ajax.
+  //
+  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+  // as `POST`, with a `_method` parameter containing the true HTTP method,
+  // as well as all requests with the body as `application/x-www-form-urlencoded`
+  // instead of `application/json` with the model in a param named `model`.
+  // Useful when interfacing with server-side languages like **PHP** that make
+  // it difficult to read the body of `PUT` requests.
+  Backbone.sync = function(method, model, options) {
+    var type = methodMap[method];
+
+    // Default options, unless specified.
+    _.defaults(options || (options = {}), {
+      emulateHTTP: Backbone.emulateHTTP,
+      emulateJSON: Backbone.emulateJSON
+    });
+
+    // Default JSON-request options.
+    var params = {type: type, dataType: 'json'};
+
+    // Ensure that we have a URL.
+    if (!options.url) {
+      params.url = _.result(model, 'url') || urlError();
+    }
+
+    // Ensure that we have the appropriate request data.
+    if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+      params.contentType = 'application/json';
+      params.data = JSON.stringify(options.attrs || model.toJSON(options));
+    }
+
+    // For older servers, emulate JSON by encoding the request into an HTML-form.
+    if (options.emulateJSON) {
+      params.contentType = 'application/x-www-form-urlencoded';
+      params.data = params.data ? {model: params.data} : {};
+    }
+
+    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+    // And an `X-HTTP-Method-Override` header.
+    if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+      params.type = 'POST';
+      if (options.emulateJSON) params.data._method = type;
+      var beforeSend = options.beforeSend;
+      options.beforeSend = function(xhr) {
+        xhr.setRequestHeader('X-HTTP-Method-Override', type);
+        if (beforeSend) return beforeSend.apply(this, arguments);
+      };
+    }
+
+    // Don't process data on a non-GET request.
+    if (params.type !== 'GET' && !options.emulateJSON) {
+      params.processData = false;
+    }
+
+    // If we're sending a `PATCH` request, and we're in an old Internet Explorer
+    // that still has ActiveX enabled by default, override jQuery to use that
+    // for XHR instead. Remove this line when jQuery supports `PATCH` on IE8.
+    if (params.type === 'PATCH' && noXhrPatch) {
+      params.xhr = function() {
+        return new ActiveXObject("Microsoft.XMLHTTP");
+      };
+    }
+
+    // Make the request, allowing the user to override any Ajax options.
+    var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+    model.trigger('request', model, xhr, options);
+    return xhr;
+  };
+
+  var noXhrPatch =
+    typeof window !== 'undefined' && !!window.ActiveXObject &&
+      !(window.XMLHttpRequest && (new XMLHttpRequest).dispatchEvent);
+
+  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+  var methodMap = {
+    'create': 'POST',
+    'update': 'PUT',
+    'patch':  'PATCH',
+    'delete': 'DELETE',
+    'read':   'GET'
+  };
+
+  // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+  // Override this if you'd like to use a different library.
+  Backbone.ajax = function() {
+    return Backbone.$.ajax.apply(Backbone.$, arguments);
+  };
+
+  // Backbone.Router
+  // ---------------
+
+  // Routers map faux-URLs to actions, and fire events when routes are
+  // matched. Creating a new one sets its `routes` hash, if not set statically.
+  var Router = Backbone.Router = function(options) {
+    options || (options = {});
+    if (options.routes) this.routes = options.routes;
+    this._bindRoutes();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Cached regular expressions for matching named param parts and splatted
+  // parts of route strings.
+  var optionalParam = /\((.*?)\)/g;
+  var namedParam    = /(\(\?)?:\w+/g;
+  var splatParam    = /\*\w+/g;
+  var escapeRegExp  = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+  // Set up all inheritable **Backbone.Router** properties and methods.
+  _.extend(Router.prototype, Events, {
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Manually bind a single named route to a callback. For example:
+    //
+    //     this.route('search/:query/p:num', 'search', function(query, num) {
+    //       ...
+    //     });
+    //
+    route: function(route, name, callback) {
+      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+      if (_.isFunction(name)) {
+        callback = name;
+        name = '';
+      }
+      if (!callback) callback = this[name];
+      var router = this;
+      Backbone.history.route(route, function(fragment) {
+        var args = router._extractParameters(route, fragment);
+        router.execute(callback, args);
+        router.trigger.apply(router, ['route:' + name].concat(args));
+        router.trigger('route', name, args);
+        Backbone.history.trigger('route', router, name, args);
+      });
+      return this;
+    },
+
+    // Execute a route handler with the provided parameters.  This is an
+    // excellent place to do pre-route setup or post-route cleanup.
+    execute: function(callback, args) {
+      if (callback) callback.apply(this, args);
+    },
+
+    // Simple proxy to `Backbone.history` to save a fragment into the history.
+    navigate: function(fragment, options) {
+      Backbone.history.navigate(fragment, options);
+      return this;
+    },
+
+    // Bind all defined routes to `Backbone.history`. We have to reverse the
+    // order of the routes here to support behavior where the most general
+    // routes can be defined at the bottom of the route map.
+    _bindRoutes: function() {
+      if (!this.routes) return;
+      this.routes = _.result(this, 'routes');
+      var route, routes = _.keys(this.routes);
+      while ((route = routes.pop()) != null) {
+        this.route(route, this.routes[route]);
+      }
+    },
+
+    // Convert a route string into a regular expression, suitable for matching
+    // against the current location hash.
+    _routeToRegExp: function(route) {
+      route = route.replace(escapeRegExp, '\\$&')
+                   .replace(optionalParam, '(?:$1)?')
+                   .replace(namedParam, function(match, optional) {
+                     return optional ? match : '([^/?]+)';
+                   })
+                   .replace(splatParam, '([^?]*?)');
+      return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+    },
+
+    // Given a route, and a URL fragment that it matches, return the array of
+    // extracted decoded parameters. Empty or unmatched parameters will be
+    // treated as `null` to normalize cross-browser behavior.
+    _extractParameters: function(route, fragment) {
+      var params = route.exec(fragment).slice(1);
+      return _.map(params, function(param, i) {
+        // Don't decode the search params.
+        if (i === params.length - 1) return param || null;
+        return param ? decodeURIComponent(param) : null;
+      });
+    }
+
+  });
+
+  // Backbone.History
+  // ----------------
+
+  // Handles cross-browser history management, based on either
+  // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+  // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+  // and URL fragments. If the browser supports neither (old IE, natch),
+  // falls back to polling.
+  var History = Backbone.History = function() {
+    this.handlers = [];
+    _.bindAll(this, 'checkUrl');
+
+    // Ensure that `History` can be used outside of the browser.
+    if (typeof window !== 'undefined') {
+      this.location = window.location;
+      this.history = window.history;
+    }
+  };
+
+  // Cached regex for stripping a leading hash/slash and trailing space.
+  var routeStripper = /^[#\/]|\s+$/g;
+
+  // Cached regex for stripping leading and trailing slashes.
+  var rootStripper = /^\/+|\/+$/g;
+
+  // Cached regex for detecting MSIE.
+  var isExplorer = /msie [\w.]+/;
+
+  // Cached regex for removing a trailing slash.
+  var trailingSlash = /\/$/;
+
+  // Cached regex for stripping urls of hash.
+  var pathStripper = /#.*$/;
+
+  // Has the history handling already been started?
+  History.started = false;
+
+  // Set up all inheritable **Backbone.History** properties and methods.
+  _.extend(History.prototype, Events, {
+
+    // The default interval to poll for hash changes, if necessary, is
+    // twenty times a second.
+    interval: 50,
+
+    // Are we at the app root?
+    atRoot: function() {
+      return this.location.pathname.replace(/[^\/]$/, '$&/') === this.root;
+    },
+
+    // Gets the true hash value. Cannot use location.hash directly due to bug
+    // in Firefox where location.hash will always be decoded.
+    getHash: function(window) {
+      var match = (window || this).location.href.match(/#(.*)$/);
+      return match ? match[1] : '';
+    },
+
+    // Get the cross-browser normalized URL fragment, either from the URL,
+    // the hash, or the override.
+    getFragment: function(fragment, forcePushState) {
+      if (fragment == null) {
+        if (this._hasPushState || !this._wantsHashChange || forcePushState) {
+          fragment = decodeURI(this.location.pathname + this.location.search);
+          var root = this.root.replace(trailingSlash, '');
+          if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
+        } else {
+          fragment = this.getHash();
+        }
+      }
+      return fragment.replace(routeStripper, '');
+    },
+
+    // Start the hash change handling, returning `true` if the current URL matches
+    // an existing route, and `false` otherwise.
+    start: function(options) {
+      if (History.started) throw new Error("Backbone.history has already been started");
+      History.started = true;
+
+      // Figure out the initial configuration. Do we need an iframe?
+      // Is pushState desired ... is it available?
+      this.options          = _.extend({root: '/'}, this.options, options);
+      this.root             = this.options.root;
+      this._wantsHashChange = this.options.hashChange !== false;
+      this._wantsPushState  = !!this.options.pushState;
+      this._hasPushState    = !!(this.options.pushState && this.history && this.history.pushState);
+      var fragment          = this.getFragment();
+      var docMode           = document.documentMode;
+      var oldIE             = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
+
+      // Normalize root to always include a leading and trailing slash.
+      this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+      if (oldIE && this._wantsHashChange) {
+        var frame = Backbone.$('<iframe src="javascript:0" tabindex="-1">');
+        this.iframe = frame.hide().appendTo('body')[0].contentWindow;
+        this.navigate(fragment);
+      }
+
+      // Depending on whether we're using pushState or hashes, and whether
+      // 'onhashchange' is supported, determine how we check the URL state.
+      if (this._hasPushState) {
+        Backbone.$(window).on('popstate', this.checkUrl);
+      } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
+        Backbone.$(window).on('hashchange', this.checkUrl);
+      } else if (this._wantsHashChange) {
+        this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+      }
+
+      // Determine if we need to change the base url, for a pushState link
+      // opened by a non-pushState browser.
+      this.fragment = fragment;
+      var loc = this.location;
+
+      // Transition from hashChange to pushState or vice versa if both are
+      // requested.
+      if (this._wantsHashChange && this._wantsPushState) {
+
+        // If we've started off with a route from a `pushState`-enabled
+        // browser, but we're currently in a browser that doesn't support it...
+        if (!this._hasPushState && !this.atRoot()) {
+          this.fragment = this.getFragment(null, true);
+          this.location.replace(this.root + '#' + this.fragment);
+          // Return immediately as browser will do redirect to new url
+          return true;
+
+        // Or if we've started out with a hash-based route, but we're currently
+        // in a browser where it could be `pushState`-based instead...
+        } else if (this._hasPushState && this.atRoot() && loc.hash) {
+          this.fragment = this.getHash().replace(routeStripper, '');
+          this.history.replaceState({}, document.title, this.root + this.fragment);
+        }
+
+      }
+
+      if (!this.options.silent) return this.loadUrl();
+    },
+
+    // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+    // but possibly useful for unit testing Routers.
+    stop: function() {
+      Backbone.$(window).off('popstate', this.checkUrl).off('hashchange', this.checkUrl);
+      if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
+      History.started = false;
+    },
+
+    // Add a route to be tested when the fragment changes. Routes added later
+    // may override previous routes.
+    route: function(route, callback) {
+      this.handlers.unshift({route: route, callback: callback});
+    },
+
+    // Checks the current URL to see if it has changed, and if it has,
+    // calls `loadUrl`, normalizing across the hidden iframe.
+    checkUrl: function(e) {
+      var current = this.getFragment();
+      if (current === this.fragment && this.iframe) {
+        current = this.getFragment(this.getHash(this.iframe));
+      }
+      if (current === this.fragment) return false;
+      if (this.iframe) this.navigate(current);
+      this.loadUrl();
+    },
+
+    // Attempt to load the current URL fragment. If a route succeeds with a
+    // match, returns `true`. If no defined routes matches the fragment,
+    // returns `false`.
+    loadUrl: function(fragment) {
+      fragment = this.fragment = this.getFragment(fragment);
+      return _.any(this.handlers, function(handler) {
+        if (handler.route.test(fragment)) {
+          handler.callback(fragment);
+          return true;
+        }
+      });
+    },
+
+    // Save a fragment into the hash history, or replace the URL state if the
+    // 'replace' option is passed. You are responsible for properly URL-encoding
+    // the fragment in advance.
+    //
+    // The options object can contain `trigger: true` if you wish to have the
+    // route callback be fired (not usually desirable), or `replace: true`, if
+    // you wish to modify the current URL without adding an entry to the history.
+    navigate: function(fragment, options) {
+      if (!History.started) return false;
+      if (!options || options === true) options = {trigger: !!options};
+
+      var url = this.root + (fragment = this.getFragment(fragment || ''));
+
+      // Strip the hash for matching.
+      fragment = fragment.replace(pathStripper, '');
+
+      if (this.fragment === fragment) return;
+      this.fragment = fragment;
+
+      // Don't include a trailing slash on the root.
+      if (fragment === '' && url !== '/') url = url.slice(0, -1);
+
+      // If pushState is available, we use it to set the fragment as a real URL.
+      if (this._hasPushState) {
+        this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+
+      // If hash changes haven't been explicitly disabled, update the hash
+      // fragment to store history.
+      } else if (this._wantsHashChange) {
+        this._updateHash(this.location, fragment, options.replace);
+        if (this.iframe && (fragment !== this.getFragment(this.getHash(this.iframe)))) {
+          // Opening and closing the iframe tricks IE7 and earlier to push a
+          // history entry on hash-tag change.  When replace is true, we don't
+          // want this.
+          if(!options.replace) this.iframe.document.open().close();
+          this._updateHash(this.iframe.location, fragment, options.replace);
+        }
+
+      // If you've told us that you explicitly don't want fallback hashchange-
+      // based history, then `navigate` becomes a page refresh.
+      } else {
+        return this.location.assign(url);
+      }
+      if (options.trigger) return this.loadUrl(fragment);
+    },
+
+    // Update the hash location, either replacing the current entry, or adding
+    // a new one to the browser history.
+    _updateHash: function(location, fragment, replace) {
+      if (replace) {
+        var href = location.href.replace(/(javascript:|#).*$/, '');
+        location.replace(href + '#' + fragment);
+      } else {
+        // Some browsers require that `hash` contains a leading #.
+        location.hash = '#' + fragment;
+      }
+    }
+
+  });
+
+  // Create the default Backbone.history.
+  Backbone.history = new History;
+
+  // Helpers
+  // -------
+
+  // Helper function to correctly set up the prototype chain, for subclasses.
+  // Similar to `goog.inherits`, but uses a hash of prototype properties and
+  // class properties to be extended.
+  var extend = function(protoProps, staticProps) {
+    var parent = this;
+    var child;
+
+    // The constructor function for the new subclass is either defined by you
+    // (the "constructor" property in your `extend` definition), or defaulted
+    // by us to simply call the parent's constructor.
+    if (protoProps && _.has(protoProps, 'constructor')) {
+      child = protoProps.constructor;
+    } else {
+      child = function(){ return parent.apply(this, arguments); };
+    }
+
+    // Add static properties to the constructor function, if supplied.
+    _.extend(child, parent, staticProps);
+
+    // Set the prototype chain to inherit from `parent`, without calling
+    // `parent`'s constructor function.
+    var Surrogate = function(){ this.constructor = child; };
+    Surrogate.prototype = parent.prototype;
+    child.prototype = new Surrogate;
+
+    // Add prototype properties (instance properties) to the subclass,
+    // if supplied.
+    if (protoProps) _.extend(child.prototype, protoProps);
+
+    // Set a convenience property in case the parent's prototype is needed
+    // later.
+    child.__super__ = parent.prototype;
+
+    return child;
+  };
+
+  // Set up inheritance for the model, collection, router, view and history.
+  Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+
+  // Throw an error when a URL is needed, and none is supplied.
+  var urlError = function() {
+    throw new Error('A "url" property or function must be specified');
+  };
+
+  // Wrap an optional error callback with a fallback error event.
+  var wrapError = function(model, options) {
+    var error = options.error;
+    options.error = function(resp) {
+      if (error) error(model, resp, options);
+      model.trigger('error', model, resp, options);
+    };
+  };
+
+  return Backbone;
+
+}));
diff --git a/static/js/backbone.min.js b/static/js/backbone.min.js
new file mode 100644
index 0000000..8ea4b13
--- /dev/null
+++ b/static/js/backbone.min.js
@@ -0,0 +1,2 @@
+(function(t,e){if(typeof define==="function"&&define.amd){define(["underscore","jquery","exports"],function(i,r,s){t.Backbone=e(t,s,i,r)})}else if(typeof exports!=="undefined"){var i=require("underscore");e(t,exports,i)}else{t.Backbone=e(t,{},t._,t.jQuery||t.Zepto||t.ender||t.$)}})(this,function(t,e,i,r){var s=t.Backbone;var n=[];var a=n.push;var o=n.slice;var h=n.splice;e.VERSION="1.1.2";e.$=r;e.noConflict=function(){t.Backbone=s;return this};e.emulateHTTP=false;e.emulateJSON=false;var u=e.Events={on:function(t,e,i){if(!c(this,"on",t,[e,i])||!e)return this;this._events||(this._events={});var r=this._events[t]||(this._events[t]=[]);r.push({callback:e,context:i,ctx:i||this});return this},once:function(t,e,r){if(!c(this,"once",t,[e,r])||!e)return this;var s=this;var n=i.once(function(){s.off(t,n);e.apply(this,arguments)});n._callback=e;return this.on(t,n,r)},off:function(t,e,r){var s,n,a,o,h,u,l,f;if(!this._events||!c(this,"off",t,[e,r]))return this;if(!t&&!e&&!r){this._events=void 0;return this}o=t?[t]:i.keys(this._events);for(h=0,u=o.length;h<u;h++){t=o[h];if(a=this._events[t]){this._events[t]=s=[];if(e||r){for(l=0,f=a.length;l<f;l++){n=a[l];if(e&&e!==n.callback&&e!==n.callback._callback||r&&r!==n.context){s.push(n)}}}if(!s.length)delete this._events[t]}}return this},trigger:function(t){if(!this._events)return this;var e=o.call(arguments,1);if(!c(this,"trigger",t,e))return this;var i=this._events[t];var r=this._events.all;if(i)f(i,e);if(r)f(r,arguments);return this},stopListening:function(t,e,r){var s=this._listeningTo;if(!s)return this;var n=!e&&!r;if(!r&&typeof e==="object")r=this;if(t)(s={})[t._listenId]=t;for(var a in s){t=s[a];t.off(e,r,this);if(n||i.isEmpty(t._events))delete this._listeningTo[a]}return this}};var l=/\s+/;var c=function(t,e,i,r){if(!i)return true;if(typeof i==="object"){for(var s in i){t[e].apply(t,[s,i[s]].concat(r))}return false}if(l.test(i)){var n=i.split(l);for(var a=0,o=n.length;a<o;a++){t[e].apply(t,[n[a]].concat(r))}return false}return true};var f=function(t,e){var i,r=-1,s=t.length,n=e[0],a=e[1],o=e[2];switch(e.length){case 0:while(++r<s)(i=t[r]).callback.call(i.ctx);return;case 1:while(++r<s)(i=t[r]).callback.call(i.ctx,n);return;case 2:while(++r<s)(i=t[r]).callback.call(i.ctx,n,a);return;case 3:while(++r<s)(i=t[r]).callback.call(i.ctx,n,a,o);return;default:while(++r<s)(i=t[r]).callback.apply(i.ctx,e);return}};var d={listenTo:"on",listenToOnce:"once"};i.each(d,function(t,e){u[e]=function(e,r,s){var n=this._listeningTo||(this._listeningTo={});var a=e._listenId||(e._listenId=i.uniqueId("l"));n[a]=e;if(!s&&typeof r==="object")s=this;e[t](r,s,this);return this}});u.bind=u.on;u.unbind=u.off;i.extend(e,u);var p=e.Model=function(t,e){var r=t||{};e||(e={});this.cid=i.uniqueId("c");this.attributes={};if(e.collection)this.collection=e.collection;if(e.parse)r=this.parse(r,e)||{};r=i.defaults({},r,i.result(this,"defaults"));this.set(r,e);this.changed={};this.initialize.apply(this,arguments)};i.extend(p.prototype,u,{changed:null,validationError:null,idAttribute:"id",initialize:function(){},toJSON:function(t){return i.clone(this.attributes)},sync:function(){return e.sync.apply(this,arguments)},get:function(t){return this.attributes[t]},escape:function(t){return i.escape(this.get(t))},has:function(t){return this.get(t)!=null},set:function(t,e,r){var s,n,a,o,h,u,l,c;if(t==null)return this;if(typeof t==="object"){n=t;r=e}else{(n={})[t]=e}r||(r={});if(!this._validate(n,r))return false;a=r.unset;h=r.silent;o=[];u=this._changing;this._changing=true;if(!u){this._previousAttributes=i.clone(this.attributes);this.changed={}}c=this.attributes,l=this._previousAttributes;if(this.idAttribute in n)this.id=n[this.idAttribute];for(s in n){e=n[s];if(!i.isEqual(c[s],e))o.push(s);if(!i.isEqual(l[s],e)){this.changed[s]=e}else{delete this.changed[s]}a?delete c[s]:c[s]=e}if(!h){if(o.length)this._pending=r;for(var f=0,d=o.length;f<d;f++){this.trigger("change:"+o[f],this,c[o[f]],r)}}if(u)return this;if(!h){while(this._pending){r=this._pending;this._pending=false;this.trigger("change",this,r)}}this._pending=false;this._changing=false;return this},unset:function(t,e){return this.set(t,void 0,i.extend({},e,{unset:true}))},clear:function(t){var e={};for(var r in this.attributes)e[r]=void 0;return this.set(e,i.extend({},t,{unset:true}))},hasChanged:function(t){if(t==null)return!i.isEmpty(this.changed);return i.has(this.changed,t)},changedAttributes:function(t){if(!t)return this.hasChanged()?i.clone(this.changed):false;var e,r=false;var s=this._changing?this._previousAttributes:this.attributes;for(var n in t){if(i.isEqual(s[n],e=t[n]))continue;(r||(r={}))[n]=e}return r},previous:function(t){if(t==null||!this._previousAttributes)return null;return this._previousAttributes[t]},previousAttributes:function(){return i.clone(this._previousAttributes)},fetch:function(t){t=t?i.clone(t):{};if(t.parse===void 0)t.parse=true;var e=this;var r=t.success;t.success=function(i){if(!e.set(e.parse(i,t),t))return false;if(r)r(e,i,t);e.trigger("sync",e,i,t)};q(this,t);return this.sync("read",this,t)},save:function(t,e,r){var s,n,a,o=this.attributes;if(t==null||typeof t==="object"){s=t;r=e}else{(s={})[t]=e}r=i.extend({validate:true},r);if(s&&!r.wait){if(!this.set(s,r))return false}else{if(!this._validate(s,r))return false}if(s&&r.wait){this.attributes=i.extend({},o,s)}if(r.parse===void 0)r.parse=true;var h=this;var u=r.success;r.success=function(t){h.attributes=o;var e=h.parse(t,r);if(r.wait)e=i.extend(s||{},e);if(i.isObject(e)&&!h.set(e,r)){return false}if(u)u(h,t,r);h.trigger("sync",h,t,r)};q(this,r);n=this.isNew()?"create":r.patch?"patch":"update";if(n==="patch")r.attrs=s;a=this.sync(n,this,r);if(s&&r.wait)this.attributes=o;return a},destroy:function(t){t=t?i.clone(t):{};var e=this;var r=t.success;var s=function(){e.trigger("destroy",e,e.collection,t)};t.success=function(i){if(t.wait||e.isNew())s();if(r)r(e,i,t);if(!e.isNew())e.trigger("sync",e,i,t)};if(this.isNew()){t.success();return false}q(this,t);var n=this.sync("delete",this,t);if(!t.wait)s();return n},url:function(){var t=i.result(this,"urlRoot")||i.result(this.collection,"url")||M();if(this.isNew())return t;return t.replace(/([^\/])$/,"$1/")+encodeURIComponent(this.id)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},i.extend(t||{},{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=i.extend({},this.attributes,t);var r=this.validationError=this.validate(t,e)||null;if(!r)return true;this.trigger("invalid",this,r,i.extend(e,{validationError:r}));return false}});var v=["keys","values","pairs","invert","pick","omit"];i.each(v,function(t){p.prototype[t]=function(){var e=o.call(arguments);e.unshift(this.attributes);return i[t].apply(i,e)}});var g=e.Collection=function(t,e){e||(e={});if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,i.extend({silent:true},e))};var m={add:true,remove:true,merge:true};var y={add:true,remove:false};i.extend(g.prototype,u,{model:p,initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return e.sync.apply(this,arguments)},add:function(t,e){return this.set(t,i.extend({merge:false},e,y))},remove:function(t,e){var r=!i.isArray(t);t=r?[t]:i.clone(t);e||(e={});var s,n,a,o;for(s=0,n=t.length;s<n;s++){o=t[s]=this.get(t[s]);if(!o)continue;delete this._byId[o.id];delete this._byId[o.cid];a=this.indexOf(o);this.models.splice(a,1);this.length--;if(!e.silent){e.index=a;o.trigger("remove",o,this,e)}this._removeReference(o,e)}return r?t[0]:t},set:function(t,e){e=i.defaults({},e,m);if(e.parse)t=this.parse(t,e);var r=!i.isArray(t);t=r?t?[t]:[]:i.clone(t);var s,n,a,o,h,u,l;var c=e.at;var f=this.model;var d=this.comparator&&c==null&&e.sort!==false;var v=i.isString(this.comparator)?this.comparator:null;var g=[],y=[],_={};var b=e.add,w=e.merge,x=e.remove;var E=!d&&b&&x?[]:false;for(s=0,n=t.length;s<n;s++){h=t[s]||{};if(h instanceof p){a=o=h}else{a=h[f.prototype.idAttribute||"id"]}if(u=this.get(a)){if(x)_[u.cid]=true;if(w){h=h===o?o.attributes:h;if(e.parse)h=u.parse(h,e);u.set(h,e);if(d&&!l&&u.hasChanged(v))l=true}t[s]=u}else if(b){o=t[s]=this._prepareModel(h,e);if(!o)continue;g.push(o);this._addReference(o,e)}o=u||o;if(E&&(o.isNew()||!_[o.id]))E.push(o);_[o.id]=true}if(x){for(s=0,n=this.length;s<n;++s){if(!_[(o=this.models[s]).cid])y.push(o)}if(y.length)this.remove(y,e)}if(g.length||E&&E.length){if(d)l=true;this.length+=g.length;if(c!=null){for(s=0,n=g.length;s<n;s++){this.models.splice(c+s,0,g[s])}}else{if(E)this.models.length=0;var k=E||g;for(s=0,n=k.length;s<n;s++){this.models.push(k[s])}}}if(l)this.sort({silent:true});if(!e.silent){for(s=0,n=g.length;s<n;s++){(o=g[s]).trigger("add",o,this,e)}if(l||E&&E.length)this.trigger("sort",this,e)}return r?t[0]:t},reset:function(t,e){e||(e={});for(var r=0,s=this.models.length;r<s;r++){this._removeReference(this.models[r],e)}e.previousModels=this.models;this._reset();t=this.add(t,i.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return t},push:function(t,e){return this.add(t,i.extend({at:this.length},e))},pop:function(t){var e=this.at(this.length-1);this.remove(e,t);return e},unshift:function(t,e){return this.add(t,i.extend({at:0},e))},shift:function(t){var e=this.at(0);this.remove(e,t);return e},slice:function(){return o.apply(this.models,arguments)},get:function(t){if(t==null)return void 0;return this._byId[t]||this._byId[t.id]||this._byId[t.cid]},at:function(t){return this.models[t]},where:function(t,e){if(i.isEmpty(t))return e?void 0:[];return this[e?"find":"filter"](function(e){for(var i in t){if(t[i]!==e.get(i))return false}return true})},findWhere:function(t){return this.where(t,true)},sort:function(t){if(!this.comparator)throw new Error("Cannot sort a set without a comparator");t||(t={});if(i.isString(this.comparator)||this.comparator.length===1){this.models=this.sortBy(this.comparator,this)}else{this.models.sort(i.bind(this.comparator,this))}if(!t.silent)this.trigger("sort",this,t);return this},pluck:function(t){return i.invoke(this.models,"get",t)},fetch:function(t){t=t?i.clone(t):{};if(t.parse===void 0)t.parse=true;var e=t.success;var r=this;t.success=function(i){var s=t.reset?"reset":"set";r[s](i,t);if(e)e(r,i,t);r.trigger("sync",r,i,t)};q(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?i.clone(e):{};if(!(t=this._prepareModel(t,e)))return false;if(!e.wait)this.add(t,e);var r=this;var s=e.success;e.success=function(t,i){if(e.wait)r.add(t,e);if(s)s(t,i,e)};t.save(null,e);return t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models)},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(t instanceof p)return t;e=e?i.clone(e):{};e.collection=this;var r=new this.model(t,e);if(!r.validationError)return r;this.trigger("invalid",this,r.validationError,e);return false},_addReference:function(t,e){this._byId[t.cid]=t;if(t.id!=null)this._byId[t.id]=t;if(!t.collection)t.collection=this;t.on("all",this._onModelEvent,this)},_removeReference:function(t,e){if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,r){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,r);if(e&&t==="change:"+e.idAttribute){delete this._byId[e.previous(e.idAttribute)];if(e.id!=null)this._byId[e.id]=e}this.trigger.apply(this,arguments)}});var _=["forEach","each","map","collect","reduce","foldl","inject","reduceRight","foldr","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max","min","toArray","size","first","head","take","initial","rest","tail","drop","last","without","difference","indexOf","shuffle","lastIndexOf","isEmpty","chain","sample"];i.each(_,function(t){g.prototype[t]=function(){var e=o.call(arguments);e.unshift(this.models);return i[t].apply(i,e)}});var b=["groupBy","countBy","sortBy","indexBy"];i.each(b,function(t){g.prototype[t]=function(e,r){var s=i.isFunction(e)?e:function(t){return t.get(e)};return i[t](this.models,s,r)}});var w=e.View=function(t){this.cid=i.uniqueId("view");t||(t={});i.extend(this,i.pick(t,E));this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()};var x=/^(\S+)\s*(.*)$/;var E=["model","collection","el","id","attributes","className","tagName","events"];i.extend(w.prototype,u,{tagName:"div",$:function(t){return this.$el.find(t)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();this.stopListening();return this},setElement:function(t,i){if(this.$el)this.undelegateEvents();this.$el=t instanceof e.$?t:e.$(t);this.el=this.$el[0];if(i!==false)this.delegateEvents();return this},delegateEvents:function(t){if(!(t||(t=i.result(this,"events"))))return this;this.undelegateEvents();for(var e in t){var r=t[e];if(!i.isFunction(r))r=this[t[e]];if(!r)continue;var s=e.match(x);var n=s[1],a=s[2];r=i.bind(r,this);n+=".delegateEvents"+this.cid;if(a===""){this.$el.on(n,r)}else{this.$el.on(n,a,r)}}return this},undelegateEvents:function(){this.$el.off(".delegateEvents"+this.cid);return this},_ensureElement:function(){if(!this.el){var t=i.extend({},i.result(this,"attributes"));if(this.id)t.id=i.result(this,"id");if(this.className)t["class"]=i.result(this,"className");var r=e.$("<"+i.result(this,"tagName")+">").attr(t);this.setElement(r,false)}else{this.setElement(i.result(this,"el"),false)}}});e.sync=function(t,r,s){var n=T[t];i.defaults(s||(s={}),{emulateHTTP:e.emulateHTTP,emulateJSON:e.emulateJSON});var a={type:n,dataType:"json"};if(!s.url){a.url=i.result(r,"url")||M()}if(s.data==null&&r&&(t==="create"||t==="update"||t==="patch")){a.contentType="application/json";a.data=JSON.stringify(s.attrs||r.toJSON(s))}if(s.emulateJSON){a.contentType="application/x-www-form-urlencoded";a.data=a.data?{model:a.data}:{}}if(s.emulateHTTP&&(n==="PUT"||n==="DELETE"||n==="PATCH")){a.type="POST";if(s.emulateJSON)a.data._method=n;var o=s.beforeSend;s.beforeSend=function(t){t.setRequestHeader("X-HTTP-Method-Override",n);if(o)return o.apply(this,arguments)}}if(a.type!=="GET"&&!s.emulateJSON){a.processData=false}if(a.type==="PATCH"&&k){a.xhr=function(){return new ActiveXObject("Microsoft.XMLHTTP")}}var h=s.xhr=e.ajax(i.extend(a,s));r.trigger("request",r,h,s);return h};var k=typeof window!=="undefined"&&!!window.ActiveXObject&&!(window.XMLHttpRequest&&(new XMLHttpRequest).dispatchEvent);var T={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};e.ajax=function(){return e.$.ajax.apply(e.$,arguments)};var $=e.Router=function(t){t||(t={});if(t.routes)this.routes=t.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var S=/\((.*?)\)/g;var H=/(\(\?)?:\w+/g;var A=/\*\w+/g;var I=/[\-{}\[\]+?.,\\\^$|#\s]/g;i.extend($.prototype,u,{initialize:function(){},route:function(t,r,s){if(!i.isRegExp(t))t=this._routeToRegExp(t);if(i.isFunction(r)){s=r;r=""}if(!s)s=this[r];var n=this;e.history.route(t,function(i){var a=n._extractParameters(t,i);n.execute(s,a);n.trigger.apply(n,["route:"+r].concat(a));n.trigger("route",r,a);e.history.trigger("route",n,r,a)});return this},execute:function(t,e){if(t)t.apply(this,e)},navigate:function(t,i){e.history.navigate(t,i);return this},_bindRoutes:function(){if(!this.routes)return;this.routes=i.result(this,"routes");var t,e=i.keys(this.routes);while((t=e.pop())!=null){this.route(t,this.routes[t])}},_routeToRegExp:function(t){t=t.replace(I,"\\$&").replace(S,"(?:$1)?").replace(H,function(t,e){return e?t:"([^/?]+)"}).replace(A,"([^?]*?)");return new RegExp("^"+t+"(?:\\?([\\s\\S]*))?$")},_extractParameters:function(t,e){var r=t.exec(e).slice(1);return i.map(r,function(t,e){if(e===r.length-1)return t||null;return t?decodeURIComponent(t):null})}});var N=e.History=function(){this.handlers=[];i.bindAll(this,"checkUrl");if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var R=/^[#\/]|\s+$/g;var O=/^\/+|\/+$/g;var P=/msie [\w.]+/;var C=/\/$/;var j=/#.*$/;N.started=false;i.extend(N.prototype,u,{interval:50,atRoot:function(){return this.location.pathname.replace(/[^\/]$/,"$&/")===this.root},getHash:function(t){var e=(t||this).location.href.match(/#(.*)$/);return e?e[1]:""},getFragment:function(t,e){if(t==null){if(this._hasPushState||!this._wantsHashChange||e){t=decodeURI(this.location.pathname+this.location.search);var i=this.root.replace(C,"");if(!t.indexOf(i))t=t.slice(i.length)}else{t=this.getHash()}}return t.replace(R,"")},start:function(t){if(N.started)throw new Error("Backbone.history has already been started");N.started=true;this.options=i.extend({root:"/"},this.options,t);this.root=this.options.root;this._wantsHashChange=this.options.hashChange!==false;this._wantsPushState=!!this.options.pushState;this._hasPushState=!!(this.options.pushState&&this.history&&this.history.pushState);var r=this.getFragment();var s=document.documentMode;var n=P.exec(navigator.userAgent.toLowerCase())&&(!s||s<=7);this.root=("/"+this.root+"/").replace(O,"/");if(n&&this._wantsHashChange){var a=e.$('<iframe src="javascript:0" tabindex="-1">');this.iframe=a.hide().appendTo("body")[0].contentWindow;this.navigate(r)}if(this._hasPushState){e.$(window).on("popstate",this.checkUrl)}else if(this._wantsHashChange&&"onhashchange"in window&&!n){e.$(window).on("hashchange",this.checkUrl)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}this.fragment=r;var o=this.location;if(this._wantsHashChange&&this._wantsPushState){if(!this._hasPushState&&!this.atRoot()){this.fragment=this.getFragment(null,true);this.location.replace(this.root+"#"+this.fragment);return true}else if(this._hasPushState&&this.atRoot()&&o.hash){this.fragment=this.getHash().replace(R,"");this.history.replaceState({},document.title,this.root+this.fragment)}}if(!this.options.silent)return this.loadUrl()},stop:function(){e.$(window).off("popstate",this.checkUrl).off("hashchange",this.checkUrl);if(this._checkUrlInterval)clearInterval(this._checkUrlInterval);N.started=false},route:function(t,e){this.handlers.unshift({route:t,callback:e})},checkUrl:function(t){var e=this.getFragment();if(e===this.fragment&&this.iframe){e=this.getFragment(this.getHash(this.iframe))}if(e===this.fragment)return false;if(this.iframe)this.navigate(e);this.loadUrl()},loadUrl:function(t){t=this.fragment=this.getFragment(t);return i.any(this.handlers,function(e){if(e.route.test(t)){e.callback(t);return true}})},navigate:function(t,e){if(!N.started)return false;if(!e||e===true)e={trigger:!!e};var i=this.root+(t=this.getFragment(t||""));t=t.replace(j,"");if(this.fragment===t)return;this.fragment=t;if(t===""&&i!=="/")i=i.slice(0,-1);if(this._hasPushState){this.history[e.replace?"replaceState":"pushState"]({},document.title,i)}else if(this._wantsHashChange){this._updateHash(this.location,t,e.replace);if(this.iframe&&t!==this.getFragment(this.getHash(this.iframe))){if(!e.replace)this.iframe.document.open().close();this._updateHash(this.iframe.location,t,e.replace)}}else{return this.location.assign(i)}if(e.trigger)return this.loadUrl(t)},_updateHash:function(t,e,i){if(i){var r=t.href.replace(/(javascript:|#).*$/,"");t.replace(r+"#"+e)}else{t.hash="#"+e}}});e.history=new N;var U=function(t,e){var r=this;var s;if(t&&i.has(t,"constructor")){s=t.constructor}else{s=function(){return r.apply(this,arguments)}}i.extend(s,r,e);var n=function(){this.constructor=s};n.prototype=r.prototype;s.prototype=new n;if(t)i.extend(s.prototype,t);s.__super__=r.prototype;return s};p.extend=g.extend=$.extend=w.extend=N.extend=U;var M=function(){throw new Error('A "url" property or function must be specified')};var q=function(t,e){var i=e.error;e.error=function(r){if(i)i(t,r,e);t.trigger("error",t,r,e)}};return e});
+//# sourceMappingURL=backbone-min.map
\ No newline at end of file
diff --git a/static/js/dropzone.js b/static/js/dropzone.js
new file mode 100644
index 0000000..4d3d2ce
--- /dev/null
+++ b/static/js/dropzone.js
@@ -0,0 +1,1795 @@
+
+;(function(){
+
+/**
+ * Require the module at `name`.
+ *
+ * @param {String} name
+ * @return {Object} exports
+ * @api public
+ */
+
+function require(name) {
+  var module = require.modules[name];
+  if (!module) throw new Error('failed to require "' + name + '"');
+
+  if (!('exports' in module) && typeof module.definition === 'function') {
+    module.client = module.component = true;
+    module.definition.call(this, module.exports = {}, module);
+    delete module.definition;
+  }
+
+  return module.exports;
+}
+
+/**
+ * Registered modules.
+ */
+
+require.modules = {};
+
+/**
+ * Register module at `name` with callback `definition`.
+ *
+ * @param {String} name
+ * @param {Function} definition
+ * @api private
+ */
+
+require.register = function (name, definition) {
+  require.modules[name] = {
+    definition: definition
+  };
+};
+
+/**
+ * Define a module's exports immediately with `exports`.
+ *
+ * @param {String} name
+ * @param {Generic} exports
+ * @api private
+ */
+
+require.define = function (name, exports) {
+  require.modules[name] = {
+    exports: exports
+  };
+};
+require.register("dropzone", function (exports, module) {
+
+
+/**
+ * Exposing dropzone
+ */
+module.exports = require("dropzone/lib/dropzone.js");
+
+});
+
+require.register("dropzone/lib/dropzone.js", function (exports, module) {
+
+/*
+ *
+ * More info at [www.dropzonejs.com](http://www.dropzonejs.com)
+ *
+ * Copyright (c) 2012, Matias Meno
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+(function() {
+  var Dropzone, Emitter, camelize, contentLoaded, detectVerticalSquash, drawImageIOSFix, noop, without,
+    __slice = [].slice,
+    __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+
+  noop = function() {};
+
+  Emitter = (function() {
+    function Emitter() {}
+
+    Emitter.prototype.addEventListener = Emitter.prototype.on;
+
+    Emitter.prototype.on = function(event, fn) {
+      this._callbacks = this._callbacks || {};
+      if (!this._callbacks[event]) {
+        this._callbacks[event] = [];
+      }
+      this._callbacks[event].push(fn);
+      return this;
+    };
+
+    Emitter.prototype.emit = function() {
+      var args, callback, callbacks, event, _i, _len;
+      event = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
+      this._callbacks = this._callbacks || {};
+      callbacks = this._callbacks[event];
+      if (callbacks) {
+        for (_i = 0, _len = callbacks.length; _i < _len; _i++) {
+          callback = callbacks[_i];
+          callback.apply(this, args);
+        }
+      }
+      return this;
+    };
+
+    Emitter.prototype.removeListener = Emitter.prototype.off;
+
+    Emitter.prototype.removeAllListeners = Emitter.prototype.off;
+
+    Emitter.prototype.removeEventListener = Emitter.prototype.off;
+
+    Emitter.prototype.off = function(event, fn) {
+      var callback, callbacks, i, _i, _len;
+      if (!this._callbacks || arguments.length === 0) {
+        this._callbacks = {};
+        return this;
+      }
+      callbacks = this._callbacks[event];
+      if (!callbacks) {
+        return this;
+      }
+      if (arguments.length === 1) {
+        delete this._callbacks[event];
+        return this;
+      }
+      for (i = _i = 0, _len = callbacks.length; _i < _len; i = ++_i) {
+        callback = callbacks[i];
+        if (callback === fn) {
+          callbacks.splice(i, 1);
+          break;
+        }
+      }
+      return this;
+    };
+
+    return Emitter;
+
+  })();
+
+  Dropzone = (function(_super) {
+    var extend, resolveOption;
+
+    __extends(Dropzone, _super);
+
+    Dropzone.prototype.Emitter = Emitter;
+
+
+    /*
+    This is a list of all available events you can register on a dropzone object.
+    
+    You can register an event handler like this:
+    
+        dropzone.on("dragEnter", function() { });
+     */
+
+    Dropzone.prototype.events = ["drop", "dragstart", "dragend", "dragenter", "dragover", "dragleave", "addedfile", "removedfile", "thumbnail", "error", "errormultiple", "processing", "processingmultiple", "uploadprogress", "totaluploadprogress", "sending", "sendingmultiple", "success", "successmultiple", "canceled", "canceledmultiple", "complete", "completemultiple", "reset", "maxfilesexceeded", "maxfilesreached", "queuecomplete"];
+
+    Dropzone.prototype.defaultOptions = {
+      url: null,
+      method: "post",
+      withCredentials: false,
+      parallelUploads: 2,
+      uploadMultiple: false,
+      maxFilesize: 256,
+      paramName: "file",
+      createImageThumbnails: true,
+      maxThumbnailFilesize: 10,
+      thumbnailWidth: 100,
+      thumbnailHeight: 100,
+      maxFiles: null,
+      params: {},
+      clickable: true,
+      ignoreHiddenFiles: true,
+      acceptedFiles: null,
+      acceptedMimeTypes: null,
+      autoProcessQueue: true,
+      autoQueue: true,
+      addRemoveLinks: false,
+      previewsContainer: null,
+      capture: null,
+      dictDefaultMessage: "Drop files here to upload",
+      dictFallbackMessage: "Your browser does not support drag'n'drop file uploads.",
+      dictFallbackText: "Please use the fallback form below to upload your files like in the olden days.",
+      dictFileTooBig: "File is too big ({{filesize}}MiB). Max filesize: {{maxFilesize}}MiB.",
+      dictInvalidFileType: "You can't upload files of this type.",
+      dictResponseError: "Server responded with {{statusCode}} code.",
+      dictCancelUpload: "Cancel upload",
+      dictCancelUploadConfirmation: "Are you sure you want to cancel this upload?",
+      dictRemoveFile: "Remove file",
+      dictRemoveFileConfirmation: null,
+      dictMaxFilesExceeded: "You can not upload any more files.",
+      accept: function(file, done) {
+        return done();
+      },
+      init: function() {
+        return noop;
+      },
+      forceFallback: false,
+      fallback: function() {
+        var child, messageElement, span, _i, _len, _ref;
+        this.element.className = "" + this.element.className + " dz-browser-not-supported";
+        _ref = this.element.getElementsByTagName("div");
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          child = _ref[_i];
+          if (/(^| )dz-message($| )/.test(child.className)) {
+            messageElement = child;
+            child.className = "dz-message";
+            continue;
+          }
+        }
+        if (!messageElement) {
+          messageElement = Dropzone.createElement("<div class=\"dz-message\"><span></span></div>");
+          this.element.appendChild(messageElement);
+        }
+        span = messageElement.getElementsByTagName("span")[0];
+        if (span) {
+          span.textContent = this.options.dictFallbackMessage;
+        }
+        return this.element.appendChild(this.getFallbackForm());
+      },
+      resize: function(file) {
+        var info, srcRatio, trgRatio;
+        info = {
+          srcX: 0,
+          srcY: 0,
+          srcWidth: file.width,
+          srcHeight: file.height
+        };
+        srcRatio = file.width / file.height;
+        info.optWidth = this.options.thumbnailWidth;
+        info.optHeight = this.options.thumbnailHeight;
+        if ((info.optWidth == null) && (info.optHeight == null)) {
+          info.optWidth = info.srcWidth;
+          info.optHeight = info.srcHeight;
+        } else if (info.optWidth == null) {
+          info.optWidth = srcRatio * info.optHeight;
+        } else if (info.optHeight == null) {
+          info.optHeight = (1 / srcRatio) * info.optWidth;
+        }
+        trgRatio = info.optWidth / info.optHeight;
+        if (file.height < info.optHeight || file.width < info.optWidth) {
+          info.trgHeight = info.srcHeight;
+          info.trgWidth = info.srcWidth;
+        } else {
+          if (srcRatio > trgRatio) {
+            info.srcHeight = file.height;
+            info.srcWidth = info.srcHeight * trgRatio;
+          } else {
+            info.srcWidth = file.width;
+            info.srcHeight = info.srcWidth / trgRatio;
+          }
+        }
+        info.srcX = (file.width - info.srcWidth) / 2;
+        info.srcY = (file.height - info.srcHeight) / 2;
+        return info;
+      },
+
+      /*
+      Those functions register themselves to the events on init and handle all
+      the user interface specific stuff. Overwriting them won't break the upload
+      but can break the way it's displayed.
+      You can overwrite them if you don't like the default behavior. If you just
+      want to add an additional event handler, register it on the dropzone object
+      and don't overwrite those options.
+       */
+      drop: function(e) {
+        return this.element.classList.remove("dz-drag-hover");
+      },
+      dragstart: noop,
+      dragend: function(e) {
+        return this.element.classList.remove("dz-drag-hover");
+      },
+      dragenter: function(e) {
+        return this.element.classList.add("dz-drag-hover");
+      },
+      dragover: function(e) {
+        return this.element.classList.add("dz-drag-hover");
+      },
+      dragleave: function(e) {
+        return this.element.classList.remove("dz-drag-hover");
+      },
+      paste: noop,
+      reset: function() {
+        return this.element.classList.remove("dz-started");
+      },
+      addedfile: function(file) {
+        var node, removeFileEvent, removeLink, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2, _results;
+        if (this.element === this.previewsContainer) {
+          this.element.classList.add("dz-started");
+        }
+        if (this.previewsContainer) {
+          file.previewElement = Dropzone.createElement(this.options.previewTemplate.trim());
+          file.previewTemplate = file.previewElement;
+          this.previewsContainer.appendChild(file.previewElement);
+          _ref = file.previewElement.querySelectorAll("[data-dz-name]");
+          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+            node = _ref[_i];
+            node.textContent = file.name;
+          }
+          _ref1 = file.previewElement.querySelectorAll("[data-dz-size]");
+          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
+            node = _ref1[_j];
+            node.innerHTML = this.filesize(file.size);
+          }
+          if (this.options.addRemoveLinks) {
+            file._removeLink = Dropzone.createElement("<a class=\"dz-remove\" href=\"javascript:undefined;\" data-dz-remove>" + this.options.dictRemoveFile + "</a>");
+            file.previewElement.appendChild(file._removeLink);
+          }
+          removeFileEvent = (function(_this) {
+            return function(e) {
+              e.preventDefault();
+              e.stopPropagation();
+              if (file.status === Dropzone.UPLOADING) {
+                return Dropzone.confirm(_this.options.dictCancelUploadConfirmation, function() {
+                  return _this.removeFile(file);
+                });
+              } else {
+                if (_this.options.dictRemoveFileConfirmation) {
+                  return Dropzone.confirm(_this.options.dictRemoveFileConfirmation, function() {
+                    return _this.removeFile(file);
+                  });
+                } else {
+                  return _this.removeFile(file);
+                }
+              }
+            };
+          })(this);
+          _ref2 = file.previewElement.querySelectorAll("[data-dz-remove]");
+          _results = [];
+          for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
+            removeLink = _ref2[_k];
+            _results.push(removeLink.addEventListener("click", removeFileEvent));
+          }
+          return _results;
+        }
+      },
+      removedfile: function(file) {
+        var _ref;
+        if (file.previewElement) {
+          if ((_ref = file.previewElement) != null) {
+            _ref.parentNode.removeChild(file.previewElement);
+          }
+        }
+        return this._updateMaxFilesReachedClass();
+      },
+      thumbnail: function(file, dataUrl) {
+        var thumbnailElement, _i, _len, _ref, _results;
+        if (file.previewElement) {
+          file.previewElement.classList.remove("dz-file-preview");
+          file.previewElement.classList.add("dz-image-preview");
+          _ref = file.previewElement.querySelectorAll("[data-dz-thumbnail]");
+          _results = [];
+          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+            thumbnailElement = _ref[_i];
+            thumbnailElement.alt = file.name;
+            _results.push(thumbnailElement.src = dataUrl);
+          }
+          return _results;
+        }
+      },
+      error: function(file, message) {
+        var node, _i, _len, _ref, _results;
+        if (file.previewElement) {
+          file.previewElement.classList.add("dz-error");
+          if (typeof message !== "String" && message.error) {
+            message = message.error;
+          }
+          _ref = file.previewElement.querySelectorAll("[data-dz-errormessage]");
+          _results = [];
+          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+            node = _ref[_i];
+            _results.push(node.textContent = message);
+          }
+          return _results;
+        }
+      },
+      errormultiple: noop,
+      processing: function(file) {
+        if (file.previewElement) {
+          file.previewElement.classList.add("dz-processing");
+          if (file._removeLink) {
+            return file._removeLink.textContent = this.options.dictCancelUpload;
+          }
+        }
+      },
+      processingmultiple: noop,
+      uploadprogress: function(file, progress, bytesSent) {
+        var node, _i, _len, _ref, _results;
+        if (file.previewElement) {
+          _ref = file.previewElement.querySelectorAll("[data-dz-uploadprogress]");
+          _results = [];
+          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+            node = _ref[_i];
+            if (node.nodeName === 'PROGRESS') {
+              _results.push(node.value = progress);
+            } else {
+              _results.push(node.style.width = "" + progress + "%");
+            }
+          }
+          return _results;
+        }
+      },
+      totaluploadprogress: noop,
+      sending: noop,
+      sendingmultiple: noop,
+      success: function(file) {
+        if (file.previewElement) {
+          return file.previewElement.classList.add("dz-success");
+        }
+      },
+      successmultiple: noop,
+      canceled: function(file) {
+        return this.emit("error", file, "Upload canceled.");
+      },
+      canceledmultiple: noop,
+      complete: function(file) {
+        if (file._removeLink) {
+          return file._removeLink.textContent = this.options.dictRemoveFile;
+        }
+      },
+      completemultiple: noop,
+      maxfilesexceeded: noop,
+      maxfilesreached: noop,
+      queuecomplete: noop,
+      previewTemplate: "<div class=\"dz-preview dz-file-preview\">\n  <div class=\"dz-details\">\n    <div class=\"dz-filename\"><span data-dz-name></span></div>\n    <div class=\"dz-size\" data-dz-size></div>\n    <img data-dz-thumbnail />\n  </div>\n  <div class=\"dz-progress\"><span class=\"dz-upload\" data-dz-uploadprogress></span></div>\n  <div class=\"dz-success-mark\"><span>✔</span></div>\n  <div class=\"dz-error-mark\"><span>✘</span></div>\n  <div class=\"dz-error-message\"><span data-dz-errormessage></span></div>\n</div>"
+    };
+
+    extend = function() {
+      var key, object, objects, target, val, _i, _len;
+      target = arguments[0], objects = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
+      for (_i = 0, _len = objects.length; _i < _len; _i++) {
+        object = objects[_i];
+        for (key in object) {
+          val = object[key];
+          target[key] = val;
+        }
+      }
+      return target;
+    };
+
+    function Dropzone(element, options) {
+      var elementOptions, fallback, _ref;
+      this.element = element;
+      this.version = Dropzone.version;
+      this.defaultOptions.previewTemplate = this.defaultOptions.previewTemplate.replace(/\n*/g, "");
+      this.clickableElements = [];
+      this.listeners = [];
+      this.files = [];
+      if (typeof this.element === "string") {
+        this.element = document.querySelector(this.element);
+      }
+      if (!(this.element && (this.element.nodeType != null))) {
+        throw new Error("Invalid dropzone element.");
+      }
+      if (this.element.dropzone) {
+        throw new Error("Dropzone already attached.");
+      }
+      Dropzone.instances.push(this);
+      this.element.dropzone = this;
+      elementOptions = (_ref = Dropzone.optionsForElement(this.element)) != null ? _ref : {};
+      this.options = extend({}, this.defaultOptions, elementOptions, options != null ? options : {});
+      if (this.options.forceFallback || !Dropzone.isBrowserSupported()) {
+        return this.options.fallback.call(this);
+      }
+      if (this.options.url == null) {
+        this.options.url = this.element.getAttribute("action");
+      }
+      if (!this.options.url) {
+        throw new Error("No URL provided.");
+      }
+      if (this.options.acceptedFiles && this.options.acceptedMimeTypes) {
+        throw new Error("You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated.");
+      }
+      if (this.options.acceptedMimeTypes) {
+        this.options.acceptedFiles = this.options.acceptedMimeTypes;
+        delete this.options.acceptedMimeTypes;
+      }
+      this.options.method = this.options.method.toUpperCase();
+      if ((fallback = this.getExistingFallback()) && fallback.parentNode) {
+        fallback.parentNode.removeChild(fallback);
+      }
+      if (this.options.previewsContainer !== false) {
+        if (this.options.previewsContainer) {
+          this.previewsContainer = Dropzone.getElement(this.options.previewsContainer, "previewsContainer");
+        } else {
+          this.previewsContainer = this.element;
+        }
+      }
+      if (this.options.clickable) {
+        if (this.options.clickable === true) {
+          this.clickableElements = [this.element];
+        } else {
+          this.clickableElements = Dropzone.getElements(this.options.clickable, "clickable");
+        }
+      }
+      this.init();
+    }
+
+    Dropzone.prototype.getAcceptedFiles = function() {
+      var file, _i, _len, _ref, _results;
+      _ref = this.files;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        if (file.accepted) {
+          _results.push(file);
+        }
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.getRejectedFiles = function() {
+      var file, _i, _len, _ref, _results;
+      _ref = this.files;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        if (!file.accepted) {
+          _results.push(file);
+        }
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.getFilesWithStatus = function(status) {
+      var file, _i, _len, _ref, _results;
+      _ref = this.files;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        if (file.status === status) {
+          _results.push(file);
+        }
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.getQueuedFiles = function() {
+      return this.getFilesWithStatus(Dropzone.QUEUED);
+    };
+
+    Dropzone.prototype.getUploadingFiles = function() {
+      return this.getFilesWithStatus(Dropzone.UPLOADING);
+    };
+
+    Dropzone.prototype.getActiveFiles = function() {
+      var file, _i, _len, _ref, _results;
+      _ref = this.files;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        if (file.status === Dropzone.UPLOADING || file.status === Dropzone.QUEUED) {
+          _results.push(file);
+        }
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.init = function() {
+      var eventName, noPropagation, setupHiddenFileInput, _i, _len, _ref, _ref1;
+      if (this.element.tagName === "form") {
+        this.element.setAttribute("enctype", "multipart/form-data");
+      }
+      if (this.element.classList.contains("dropzone") && !this.element.querySelector(".dz-message")) {
+        this.element.appendChild(Dropzone.createElement("<div class=\"dz-default dz-message\"><span>" + this.options.dictDefaultMessage + "</span></div>"));
+      }
+      if (this.clickableElements.length) {
+        setupHiddenFileInput = (function(_this) {
+          return function() {
+            if (_this.hiddenFileInput) {
+              document.body.removeChild(_this.hiddenFileInput);
+            }
+            _this.hiddenFileInput = document.createElement("input");
+            _this.hiddenFileInput.setAttribute("type", "file");
+            if ((_this.options.maxFiles == null) || _this.options.maxFiles > 1) {
+              _this.hiddenFileInput.setAttribute("multiple", "multiple");
+            }
+            _this.hiddenFileInput.className = "dz-hidden-input";
+            if (_this.options.acceptedFiles != null) {
+              _this.hiddenFileInput.setAttribute("accept", _this.options.acceptedFiles);
+            }
+            if (_this.options.capture != null) {
+              _this.hiddenFileInput.setAttribute("capture", _this.options.capture);
+            }
+            _this.hiddenFileInput.style.visibility = "hidden";
+            _this.hiddenFileInput.style.position = "absolute";
+            _this.hiddenFileInput.style.top = "0";
+            _this.hiddenFileInput.style.left = "0";
+            _this.hiddenFileInput.style.height = "0";
+            _this.hiddenFileInput.style.width = "0";
+            document.body.appendChild(_this.hiddenFileInput);
+            return _this.hiddenFileInput.addEventListener("change", function() {
+              var file, files, _i, _len;
+              files = _this.hiddenFileInput.files;
+              if (files.length) {
+                for (_i = 0, _len = files.length; _i < _len; _i++) {
+                  file = files[_i];
+                  _this.addFile(file);
+                }
+              }
+              return setupHiddenFileInput();
+            });
+          };
+        })(this);
+        setupHiddenFileInput();
+      }
+      this.URL = (_ref = window.URL) != null ? _ref : window.webkitURL;
+      _ref1 = this.events;
+      for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
+        eventName = _ref1[_i];
+        this.on(eventName, this.options[eventName]);
+      }
+      this.on("uploadprogress", (function(_this) {
+        return function() {
+          return _this.updateTotalUploadProgress();
+        };
+      })(this));
+      this.on("removedfile", (function(_this) {
+        return function() {
+          return _this.updateTotalUploadProgress();
+        };
+      })(this));
+      this.on("canceled", (function(_this) {
+        return function(file) {
+          return _this.emit("complete", file);
+        };
+      })(this));
+      this.on("complete", (function(_this) {
+        return function(file) {
+          if (_this.getUploadingFiles().length === 0 && _this.getQueuedFiles().length === 0) {
+            return setTimeout((function() {
+              return _this.emit("queuecomplete");
+            }), 0);
+          }
+        };
+      })(this));
+      noPropagation = function(e) {
+        e.stopPropagation();
+        if (e.preventDefault) {
+          return e.preventDefault();
+        } else {
+          return e.returnValue = false;
+        }
+      };
+      this.listeners = [
+        {
+          element: this.element,
+          events: {
+            "dragstart": (function(_this) {
+              return function(e) {
+                return _this.emit("dragstart", e);
+              };
+            })(this),
+            "dragenter": (function(_this) {
+              return function(e) {
+                noPropagation(e);
+                return _this.emit("dragenter", e);
+              };
+            })(this),
+            "dragover": (function(_this) {
+              return function(e) {
+                var efct;
+                try {
+                  efct = e.dataTransfer.effectAllowed;
+                } catch (_error) {}
+                e.dataTransfer.dropEffect = 'move' === efct || 'linkMove' === efct ? 'move' : 'copy';
+                noPropagation(e);
+                return _this.emit("dragover", e);
+              };
+            })(this),
+            "dragleave": (function(_this) {
+              return function(e) {
+                return _this.emit("dragleave", e);
+              };
+            })(this),
+            "drop": (function(_this) {
+              return function(e) {
+                noPropagation(e);
+                return _this.drop(e);
+              };
+            })(this),
+            "dragend": (function(_this) {
+              return function(e) {
+                return _this.emit("dragend", e);
+              };
+            })(this)
+          }
+        }
+      ];
+      this.clickableElements.forEach((function(_this) {
+        return function(clickableElement) {
+          return _this.listeners.push({
+            element: clickableElement,
+            events: {
+              "click": function(evt) {
+                if ((clickableElement !== _this.element) || (evt.target === _this.element || Dropzone.elementInside(evt.target, _this.element.querySelector(".dz-message")))) {
+                  return _this.hiddenFileInput.click();
+                }
+              }
+            }
+          });
+        };
+      })(this));
+      this.enable();
+      return this.options.init.call(this);
+    };
+
+    Dropzone.prototype.destroy = function() {
+      var _ref;
+      this.disable();
+      this.removeAllFiles(true);
+      if ((_ref = this.hiddenFileInput) != null ? _ref.parentNode : void 0) {
+        this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput);
+        this.hiddenFileInput = null;
+      }
+      delete this.element.dropzone;
+      return Dropzone.instances.splice(Dropzone.instances.indexOf(this), 1);
+    };
+
+    Dropzone.prototype.updateTotalUploadProgress = function() {
+      var activeFiles, file, totalBytes, totalBytesSent, totalUploadProgress, _i, _len, _ref;
+      totalBytesSent = 0;
+      totalBytes = 0;
+      activeFiles = this.getActiveFiles();
+      if (activeFiles.length) {
+        _ref = this.getActiveFiles();
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          file = _ref[_i];
+          totalBytesSent += file.upload.bytesSent;
+          totalBytes += file.upload.total;
+        }
+        totalUploadProgress = 100 * totalBytesSent / totalBytes;
+      } else {
+        totalUploadProgress = 100;
+      }
+      return this.emit("totaluploadprogress", totalUploadProgress, totalBytes, totalBytesSent);
+    };
+
+    Dropzone.prototype._getParamName = function(n) {
+      if (typeof this.options.paramName === "function") {
+        return this.options.paramName(n);
+      } else {
+        return "" + this.options.paramName + (this.options.uploadMultiple ? "[" + n + "]" : "");
+      }
+    };
+
+    Dropzone.prototype.getFallbackForm = function() {
+      var existingFallback, fields, fieldsString, form;
+      if (existingFallback = this.getExistingFallback()) {
+        return existingFallback;
+      }
+      fieldsString = "<div class=\"dz-fallback\">";
+      if (this.options.dictFallbackText) {
+        fieldsString += "<p>" + this.options.dictFallbackText + "</p>";
+      }
+      fieldsString += "<input type=\"file\" name=\"" + (this._getParamName(0)) + "\" " + (this.options.uploadMultiple ? 'multiple="multiple"' : void 0) + " /><input type=\"submit\" value=\"Upload!\"></div>";
+      fields = Dropzone.createElement(fieldsString);
+      if (this.element.tagName !== "FORM") {
+        form = Dropzone.createElement("<form action=\"" + this.options.url + "\" enctype=\"multipart/form-data\" method=\"" + this.options.method + "\"></form>");
+        form.appendChild(fields);
+      } else {
+        this.element.setAttribute("enctype", "multipart/form-data");
+        this.element.setAttribute("method", this.options.method);
+      }
+      return form != null ? form : fields;
+    };
+
+    Dropzone.prototype.getExistingFallback = function() {
+      var fallback, getFallback, tagName, _i, _len, _ref;
+      getFallback = function(elements) {
+        var el, _i, _len;
+        for (_i = 0, _len = elements.length; _i < _len; _i++) {
+          el = elements[_i];
+          if (/(^| )fallback($| )/.test(el.className)) {
+            return el;
+          }
+        }
+      };
+      _ref = ["div", "form"];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        tagName = _ref[_i];
+        if (fallback = getFallback(this.element.getElementsByTagName(tagName))) {
+          return fallback;
+        }
+      }
+    };
+
+    Dropzone.prototype.setupEventListeners = function() {
+      var elementListeners, event, listener, _i, _len, _ref, _results;
+      _ref = this.listeners;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        elementListeners = _ref[_i];
+        _results.push((function() {
+          var _ref1, _results1;
+          _ref1 = elementListeners.events;
+          _results1 = [];
+          for (event in _ref1) {
+            listener = _ref1[event];
+            _results1.push(elementListeners.element.addEventListener(event, listener, false));
+          }
+          return _results1;
+        })());
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.removeEventListeners = function() {
+      var elementListeners, event, listener, _i, _len, _ref, _results;
+      _ref = this.listeners;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        elementListeners = _ref[_i];
+        _results.push((function() {
+          var _ref1, _results1;
+          _ref1 = elementListeners.events;
+          _results1 = [];
+          for (event in _ref1) {
+            listener = _ref1[event];
+            _results1.push(elementListeners.element.removeEventListener(event, listener, false));
+          }
+          return _results1;
+        })());
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.disable = function() {
+      var file, _i, _len, _ref, _results;
+      this.clickableElements.forEach(function(element) {
+        return element.classList.remove("dz-clickable");
+      });
+      this.removeEventListeners();
+      _ref = this.files;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        _results.push(this.cancelUpload(file));
+      }
+      return _results;
+    };
+
+    Dropzone.prototype.enable = function() {
+      this.clickableElements.forEach(function(element) {
+        return element.classList.add("dz-clickable");
+      });
+      return this.setupEventListeners();
+    };
+
+    Dropzone.prototype.filesize = function(size) {
+      var string;
+      if (size >= 1024 * 1024 * 1024 * 1024 / 10) {
+        size = size / (1024 * 1024 * 1024 * 1024 / 10);
+        string = "TiB";
+      } else if (size >= 1024 * 1024 * 1024 / 10) {
+        size = size / (1024 * 1024 * 1024 / 10);
+        string = "GiB";
+      } else if (size >= 1024 * 1024 / 10) {
+        size = size / (1024 * 1024 / 10);
+        string = "MiB";
+      } else if (size >= 1024 / 10) {
+        size = size / (1024 / 10);
+        string = "KiB";
+      } else {
+        size = size * 10;
+        string = "b";
+      }
+      return "<strong>" + (Math.round(size) / 10) + "</strong> " + string;
+    };
+
+    Dropzone.prototype._updateMaxFilesReachedClass = function() {
+      if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {
+        if (this.getAcceptedFiles().length === this.options.maxFiles) {
+          this.emit('maxfilesreached', this.files);
+        }
+        return this.element.classList.add("dz-max-files-reached");
+      } else {
+        return this.element.classList.remove("dz-max-files-reached");
+      }
+    };
+
+    Dropzone.prototype.drop = function(e) {
+      var files, items;
+      if (!e.dataTransfer) {
+        return;
+      }
+      this.emit("drop", e);
+      files = e.dataTransfer.files;
+      if (files.length) {
+        items = e.dataTransfer.items;
+        if (items && items.length && (items[0].webkitGetAsEntry != null)) {
+          this._addFilesFromItems(items);
+        } else {
+          this.handleFiles(files);
+        }
+      }
+    };
+
+    Dropzone.prototype.paste = function(e) {
+      var items, _ref;
+      if ((e != null ? (_ref = e.clipboardData) != null ? _ref.items : void 0 : void 0) == null) {
+        return;
+      }
+      this.emit("paste", e);
+      items = e.clipboardData.items;
+      if (items.length) {
+        return this._addFilesFromItems(items);
+      }
+    };
+
+    Dropzone.prototype.handleFiles = function(files) {
+      var file, _i, _len, _results;
+      _results = [];
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        _results.push(this.addFile(file));
+      }
+      return _results;
+    };
+
+    Dropzone.prototype._addFilesFromItems = function(items) {
+      var entry, item, _i, _len, _results;
+      _results = [];
+      for (_i = 0, _len = items.length; _i < _len; _i++) {
+        item = items[_i];
+        if ((item.webkitGetAsEntry != null) && (entry = item.webkitGetAsEntry())) {
+          if (entry.isFile) {
+            _results.push(this.addFile(item.getAsFile()));
+          } else if (entry.isDirectory) {
+            _results.push(this._addFilesFromDirectory(entry, entry.name));
+          } else {
+            _results.push(void 0);
+          }
+        } else if (item.getAsFile != null) {
+          if ((item.kind == null) || item.kind === "file") {
+            _results.push(this.addFile(item.getAsFile()));
+          } else {
+            _results.push(void 0);
+          }
+        } else {
+          _results.push(void 0);
+        }
+      }
+      return _results;
+    };
+
+    Dropzone.prototype._addFilesFromDirectory = function(directory, path) {
+      var dirReader, entriesReader;
+      dirReader = directory.createReader();
+      entriesReader = (function(_this) {
+        return function(entries) {
+          var entry, _i, _len;
+          for (_i = 0, _len = entries.length; _i < _len; _i++) {
+            entry = entries[_i];
+            if (entry.isFile) {
+              entry.file(function(file) {
+                if (_this.options.ignoreHiddenFiles && file.name.substring(0, 1) === '.') {
+                  return;
+                }
+                file.fullPath = "" + path + "/" + file.name;
+                return _this.addFile(file);
+              });
+            } else if (entry.isDirectory) {
+              _this._addFilesFromDirectory(entry, "" + path + "/" + entry.name);
+            }
+          }
+        };
+      })(this);
+      return dirReader.readEntries(entriesReader, function(error) {
+        return typeof console !== "undefined" && console !== null ? typeof console.log === "function" ? console.log(error) : void 0 : void 0;
+      });
+    };
+
+    Dropzone.prototype.accept = function(file, done) {
+      if (file.size > this.options.maxFilesize * 1024 * 1024) {
+        return done(this.options.dictFileTooBig.replace("{{filesize}}", Math.round(file.size / 1024 / 10.24) / 100).replace("{{maxFilesize}}", this.options.maxFilesize));
+      } else if (!Dropzone.isValidFile(file, this.options.acceptedFiles)) {
+        return done(this.options.dictInvalidFileType);
+      } else if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {
+        done(this.options.dictMaxFilesExceeded.replace("{{maxFiles}}", this.options.maxFiles));
+        return this.emit("maxfilesexceeded", file);
+      } else {
+        return this.options.accept.call(this, file, done);
+      }
+    };
+
+    Dropzone.prototype.addFile = function(file) {
+      file.upload = {
+        progress: 0,
+        total: file.size,
+        bytesSent: 0
+      };
+      this.files.push(file);
+      file.status = Dropzone.ADDED;
+      this.emit("addedfile", file);
+      this._enqueueThumbnail(file);
+      return this.accept(file, (function(_this) {
+        return function(error) {
+          if (error) {
+            file.accepted = false;
+            _this._errorProcessing([file], error);
+          } else {
+            file.accepted = true;
+            if (_this.options.autoQueue) {
+              _this.enqueueFile(file);
+            }
+          }
+          return _this._updateMaxFilesReachedClass();
+        };
+      })(this));
+    };
+
+    Dropzone.prototype.enqueueFiles = function(files) {
+      var file, _i, _len;
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        this.enqueueFile(file);
+      }
+      return null;
+    };
+
+    Dropzone.prototype.enqueueFile = function(file) {
+      if (file.status === Dropzone.ADDED && file.accepted === true) {
+        file.status = Dropzone.QUEUED;
+        if (this.options.autoProcessQueue) {
+          return setTimeout(((function(_this) {
+            return function() {
+              return _this.processQueue();
+            };
+          })(this)), 0);
+        }
+      } else {
+        throw new Error("This file can't be queued because it has already been processed or was rejected.");
+      }
+    };
+
+    Dropzone.prototype._thumbnailQueue = [];
+
+    Dropzone.prototype._processingThumbnail = false;
+
+    Dropzone.prototype._enqueueThumbnail = function(file) {
+      if (this.options.createImageThumbnails && file.type.match(/image.*/) && file.size <= this.options.maxThumbnailFilesize * 1024 * 1024) {
+        this._thumbnailQueue.push(file);
+        return setTimeout(((function(_this) {
+          return function() {
+            return _this._processThumbnailQueue();
+          };
+        })(this)), 0);
+      }
+    };
+
+    Dropzone.prototype._processThumbnailQueue = function() {
+      if (this._processingThumbnail || this._thumbnailQueue.length === 0) {
+        return;
+      }
+      this._processingThumbnail = true;
+      return this.createThumbnail(this._thumbnailQueue.shift(), (function(_this) {
+        return function() {
+          _this._processingThumbnail = false;
+          return _this._processThumbnailQueue();
+        };
+      })(this));
+    };
+
+    Dropzone.prototype.removeFile = function(file) {
+      if (file.status === Dropzone.UPLOADING) {
+        this.cancelUpload(file);
+      }
+      this.files = without(this.files, file);
+      this.emit("removedfile", file);
+      if (this.files.length === 0) {
+        return this.emit("reset");
+      }
+    };
+
+    Dropzone.prototype.removeAllFiles = function(cancelIfNecessary) {
+      var file, _i, _len, _ref;
+      if (cancelIfNecessary == null) {
+        cancelIfNecessary = false;
+      }
+      _ref = this.files.slice();
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        file = _ref[_i];
+        if (file.status !== Dropzone.UPLOADING || cancelIfNecessary) {
+          this.removeFile(file);
+        }
+      }
+      return null;
+    };
+
+    Dropzone.prototype.createThumbnail = function(file, callback) {
+      var fileReader;
+      fileReader = new FileReader;
+      fileReader.onload = (function(_this) {
+        return function() {
+          var img;
+          if (file.type === "image/svg+xml") {
+            _this.emit("thumbnail", file, fileReader.result);
+            if (callback != null) {
+              callback();
+            }
+            return;
+          }
+          img = document.createElement("img");
+          img.onload = function() {
+            var canvas, ctx, resizeInfo, thumbnail, _ref, _ref1, _ref2, _ref3;
+            file.width = img.width;
+            file.height = img.height;
+            resizeInfo = _this.options.resize.call(_this, file);
+            if (resizeInfo.trgWidth == null) {
+              resizeInfo.trgWidth = resizeInfo.optWidth;
+            }
+            if (resizeInfo.trgHeight == null) {
+              resizeInfo.trgHeight = resizeInfo.optHeight;
+            }
+            canvas = document.createElement("canvas");
+            ctx = canvas.getContext("2d");
+            canvas.width = resizeInfo.trgWidth;
+            canvas.height = resizeInfo.trgHeight;
+            drawImageIOSFix(ctx, img, (_ref = resizeInfo.srcX) != null ? _ref : 0, (_ref1 = resizeInfo.srcY) != null ? _ref1 : 0, resizeInfo.srcWidth, resizeInfo.srcHeight, (_ref2 = resizeInfo.trgX) != null ? _ref2 : 0, (_ref3 = resizeInfo.trgY) != null ? _ref3 : 0, resizeInfo.trgWidth, resizeInfo.trgHeight);
+            thumbnail = canvas.toDataURL("image/png");
+            _this.emit("thumbnail", file, thumbnail);
+            if (callback != null) {
+              return callback();
+            }
+          };
+          return img.src = fileReader.result;
+        };
+      })(this);
+      return fileReader.readAsDataURL(file);
+    };
+
+    Dropzone.prototype.processQueue = function() {
+      var i, parallelUploads, processingLength, queuedFiles;
+      parallelUploads = this.options.parallelUploads;
+      processingLength = this.getUploadingFiles().length;
+      i = processingLength;
+      if (processingLength >= parallelUploads) {
+        return;
+      }
+      queuedFiles = this.getQueuedFiles();
+      if (!(queuedFiles.length > 0)) {
+        return;
+      }
+      if (this.options.uploadMultiple) {
+        return this.processFiles(queuedFiles.slice(0, parallelUploads - processingLength));
+      } else {
+        while (i < parallelUploads) {
+          if (!queuedFiles.length) {
+            return;
+          }
+          this.processFile(queuedFiles.shift());
+          i++;
+        }
+      }
+    };
+
+    Dropzone.prototype.processFile = function(file) {
+      return this.processFiles([file]);
+    };
+
+    Dropzone.prototype.processFiles = function(files) {
+      var file, _i, _len;
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        file.processing = true;
+        file.status = Dropzone.UPLOADING;
+        this.emit("processing", file);
+      }
+      if (this.options.uploadMultiple) {
+        this.emit("processingmultiple", files);
+      }
+      return this.uploadFiles(files);
+    };
+
+    Dropzone.prototype._getFilesWithXhr = function(xhr) {
+      var file, files;
+      return files = (function() {
+        var _i, _len, _ref, _results;
+        _ref = this.files;
+        _results = [];
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          file = _ref[_i];
+          if (file.xhr === xhr) {
+            _results.push(file);
+          }
+        }
+        return _results;
+      }).call(this);
+    };
+
+    Dropzone.prototype.cancelUpload = function(file) {
+      var groupedFile, groupedFiles, _i, _j, _len, _len1, _ref;
+      if (file.status === Dropzone.UPLOADING) {
+        groupedFiles = this._getFilesWithXhr(file.xhr);
+        for (_i = 0, _len = groupedFiles.length; _i < _len; _i++) {
+          groupedFile = groupedFiles[_i];
+          groupedFile.status = Dropzone.CANCELED;
+        }
+        file.xhr.abort();
+        for (_j = 0, _len1 = groupedFiles.length; _j < _len1; _j++) {
+          groupedFile = groupedFiles[_j];
+          this.emit("canceled", groupedFile);
+        }
+        if (this.options.uploadMultiple) {
+          this.emit("canceledmultiple", groupedFiles);
+        }
+      } else if ((_ref = file.status) === Dropzone.ADDED || _ref === Dropzone.QUEUED) {
+        file.status = Dropzone.CANCELED;
+        this.emit("canceled", file);
+        if (this.options.uploadMultiple) {
+          this.emit("canceledmultiple", [file]);
+        }
+      }
+      if (this.options.autoProcessQueue) {
+        return this.processQueue();
+      }
+    };
+
+    resolveOption = function() {
+      var args, option;
+      option = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
+      if (typeof option === 'function') {
+        return option.apply(this, args);
+      }
+      return option;
+    };
+
+    Dropzone.prototype.uploadFile = function(file) {
+      return this.uploadFiles([file]);
+    };
+
+    Dropzone.prototype.uploadFiles = function(files) {
+      var file, formData, handleError, headerName, headerValue, headers, i, input, inputName, inputType, key, method, option, progressObj, response, updateProgress, url, value, xhr, _i, _j, _k, _l, _len, _len1, _len2, _len3, _m, _ref, _ref1, _ref2, _ref3, _ref4, _ref5;
+      xhr = new XMLHttpRequest();
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        file.xhr = xhr;
+      }
+      method = resolveOption(this.options.method, files);
+      url = resolveOption(this.options.url, files);
+      xhr.open(method, url, true);
+      xhr.withCredentials = !!this.options.withCredentials;
+      response = null;
+      handleError = (function(_this) {
+        return function() {
+          var _j, _len1, _results;
+          _results = [];
+          for (_j = 0, _len1 = files.length; _j < _len1; _j++) {
+            file = files[_j];
+            _results.push(_this._errorProcessing(files, response || _this.options.dictResponseError.replace("{{statusCode}}", xhr.status), xhr));
+          }
+          return _results;
+        };
+      })(this);
+      updateProgress = (function(_this) {
+        return function(e) {
+          var allFilesFinished, progress, _j, _k, _l, _len1, _len2, _len3, _results;
+          if (e != null) {
+            progress = 100 * e.loaded / e.total;
+            for (_j = 0, _len1 = files.length; _j < _len1; _j++) {
+              file = files[_j];
+              file.upload = {
+                progress: progress,
+                total: e.total,
+                bytesSent: e.loaded
+              };
+            }
+          } else {
+            allFilesFinished = true;
+            progress = 100;
+            for (_k = 0, _len2 = files.length; _k < _len2; _k++) {
+              file = files[_k];
+              if (!(file.upload.progress === 100 && file.upload.bytesSent === file.upload.total)) {
+                allFilesFinished = false;
+              }
+              file.upload.progress = progress;
+              file.upload.bytesSent = file.upload.total;
+            }
+            if (allFilesFinished) {
+              return;
+            }
+          }
+          _results = [];
+          for (_l = 0, _len3 = files.length; _l < _len3; _l++) {
+            file = files[_l];
+            _results.push(_this.emit("uploadprogress", file, progress, file.upload.bytesSent));
+          }
+          return _results;
+        };
+      })(this);
+      xhr.onload = (function(_this) {
+        return function(e) {
+          var _ref;
+          if (files[0].status === Dropzone.CANCELED) {
+            return;
+          }
+          if (xhr.readyState !== 4) {
+            return;
+          }
+          response = xhr.responseText;
+          if (xhr.getResponseHeader("content-type") && ~xhr.getResponseHeader("content-type").indexOf("application/json")) {
+            try {
+              response = JSON.parse(response);
+            } catch (_error) {
+              e = _error;
+              response = "Invalid JSON response from server.";
+            }
+          }
+          updateProgress();
+          if (!((200 <= (_ref = xhr.status) && _ref < 300))) {
+            return handleError();
+          } else {
+            return _this._finished(files, response, e);
+          }
+        };
+      })(this);
+      xhr.onerror = (function(_this) {
+        return function() {
+          if (files[0].status === Dropzone.CANCELED) {
+            return;
+          }
+          return handleError();
+        };
+      })(this);
+      progressObj = (_ref = xhr.upload) != null ? _ref : xhr;
+      progressObj.onprogress = updateProgress;
+      headers = {
+        "Accept": "application/json",
+        "Cache-Control": "no-cache",
+        "X-Requested-With": "XMLHttpRequest"
+      };
+      if (this.options.headers) {
+        extend(headers, this.options.headers);
+      }
+      for (headerName in headers) {
+        headerValue = headers[headerName];
+        xhr.setRequestHeader(headerName, headerValue);
+      }
+      formData = new FormData();
+      if (this.options.params) {
+        _ref1 = this.options.params;
+        for (key in _ref1) {
+          value = _ref1[key];
+          formData.append(key, value);
+        }
+      }
+      for (_j = 0, _len1 = files.length; _j < _len1; _j++) {
+        file = files[_j];
+        this.emit("sending", file, xhr, formData);
+      }
+      if (this.options.uploadMultiple) {
+        this.emit("sendingmultiple", files, xhr, formData);
+      }
+      if (this.element.tagName === "FORM") {
+        _ref2 = this.element.querySelectorAll("input, textarea, select, button");
+        for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
+          input = _ref2[_k];
+          inputName = input.getAttribute("name");
+          inputType = input.getAttribute("type");
+          if (input.tagName === "SELECT" && input.hasAttribute("multiple")) {
+            _ref3 = input.options;
+            for (_l = 0, _len3 = _ref3.length; _l < _len3; _l++) {
+              option = _ref3[_l];
+              if (option.selected) {
+                formData.append(inputName, option.value);
+              }
+            }
+          } else if (!inputType || ((_ref4 = inputType.toLowerCase()) !== "checkbox" && _ref4 !== "radio") || input.checked) {
+            formData.append(inputName, input.value);
+          }
+        }
+      }
+      for (i = _m = 0, _ref5 = files.length - 1; 0 <= _ref5 ? _m <= _ref5 : _m >= _ref5; i = 0 <= _ref5 ? ++_m : --_m) {
+        formData.append(this._getParamName(i), files[i], files[i].name);
+      }
+      return xhr.send(formData);
+    };
+
+    Dropzone.prototype._finished = function(files, responseText, e) {
+      var file, _i, _len;
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        file.status = Dropzone.SUCCESS;
+        this.emit("success", file, responseText, e);
+        this.emit("complete", file);
+      }
+      if (this.options.uploadMultiple) {
+        this.emit("successmultiple", files, responseText, e);
+        this.emit("completemultiple", files);
+      }
+      if (this.options.autoProcessQueue) {
+        return this.processQueue();
+      }
+    };
+
+    Dropzone.prototype._errorProcessing = function(files, message, xhr) {
+      var file, _i, _len;
+      for (_i = 0, _len = files.length; _i < _len; _i++) {
+        file = files[_i];
+        file.status = Dropzone.ERROR;
+        this.emit("error", file, message, xhr);
+        this.emit("complete", file);
+      }
+      if (this.options.uploadMultiple) {
+        this.emit("errormultiple", files, message, xhr);
+        this.emit("completemultiple", files);
+      }
+      if (this.options.autoProcessQueue) {
+        return this.processQueue();
+      }
+    };
+
+    return Dropzone;
+
+  })(Emitter);
+
+  Dropzone.version = "3.12.0";
+
+  Dropzone.options = {};
+
+  Dropzone.optionsForElement = function(element) {
+    if (element.getAttribute("id")) {
+      return Dropzone.options[camelize(element.getAttribute("id"))];
+    } else {
+      return void 0;
+    }
+  };
+
+  Dropzone.instances = [];
+
+  Dropzone.forElement = function(element) {
+    if (typeof element === "string") {
+      element = document.querySelector(element);
+    }
+    if ((element != null ? element.dropzone : void 0) == null) {
+      throw new Error("No Dropzone found for given element. This is probably because you're trying to access it before Dropzone had the time to initialize. Use the `init` option to setup any additional observers on your Dropzone.");
+    }
+    return element.dropzone;
+  };
+
+  Dropzone.autoDiscover = true;
+
+  Dropzone.discover = function() {
+    var checkElements, dropzone, dropzones, _i, _len, _results;
+    if (document.querySelectorAll) {
+      dropzones = document.querySelectorAll(".dropzone");
+    } else {
+      dropzones = [];
+      checkElements = function(elements) {
+        var el, _i, _len, _results;
+        _results = [];
+        for (_i = 0, _len = elements.length; _i < _len; _i++) {
+          el = elements[_i];
+          if (/(^| )dropzone($| )/.test(el.className)) {
+            _results.push(dropzones.push(el));
+          } else {
+            _results.push(void 0);
+          }
+        }
+        return _results;
+      };
+      checkElements(document.getElementsByTagName("div"));
+      checkElements(document.getElementsByTagName("form"));
+    }
+    _results = [];
+    for (_i = 0, _len = dropzones.length; _i < _len; _i++) {
+      dropzone = dropzones[_i];
+      if (Dropzone.optionsForElement(dropzone) !== false) {
+        _results.push(new Dropzone(dropzone));
+      } else {
+        _results.push(void 0);
+      }
+    }
+    return _results;
+  };
+
+  Dropzone.blacklistedBrowsers = [/opera.*Macintosh.*version\/12/i];
+
+  Dropzone.isBrowserSupported = function() {
+    var capableBrowser, regex, _i, _len, _ref;
+    capableBrowser = true;
+    if (window.File && window.FileReader && window.FileList && window.Blob && window.FormData && document.querySelector) {
+      if (!("classList" in document.createElement("a"))) {
+        capableBrowser = false;
+      } else {
+        _ref = Dropzone.blacklistedBrowsers;
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          regex = _ref[_i];
+          if (regex.test(navigator.userAgent)) {
+            capableBrowser = false;
+            continue;
+          }
+        }
+      }
+    } else {
+      capableBrowser = false;
+    }
+    return capableBrowser;
+  };
+
+  without = function(list, rejectedItem) {
+    var item, _i, _len, _results;
+    _results = [];
+    for (_i = 0, _len = list.length; _i < _len; _i++) {
+      item = list[_i];
+      if (item !== rejectedItem) {
+        _results.push(item);
+      }
+    }
+    return _results;
+  };
+
+  camelize = function(str) {
+    return str.replace(/[\-_](\w)/g, function(match) {
+      return match.charAt(1).toUpperCase();
+    });
+  };
+
+  Dropzone.createElement = function(string) {
+    var div;
+    div = document.createElement("div");
+    div.innerHTML = string;
+    return div.childNodes[0];
+  };
+
+  Dropzone.elementInside = function(element, container) {
+    if (element === container) {
+      return true;
+    }
+    while (element = element.parentNode) {
+      if (element === container) {
+        return true;
+      }
+    }
+    return false;
+  };
+
+  Dropzone.getElement = function(el, name) {
+    var element;
+    if (typeof el === "string") {
+      element = document.querySelector(el);
+    } else if (el.nodeType != null) {
+      element = el;
+    }
+    if (element == null) {
+      throw new Error("Invalid `" + name + "` option provided. Please provide a CSS selector or a plain HTML element.");
+    }
+    return element;
+  };
+
+  Dropzone.getElements = function(els, name) {
+    var e, el, elements, _i, _j, _len, _len1, _ref;
+    if (els instanceof Array) {
+      elements = [];
+      try {
+        for (_i = 0, _len = els.length; _i < _len; _i++) {
+          el = els[_i];
+          elements.push(this.getElement(el, name));
+        }
+      } catch (_error) {
+        e = _error;
+        elements = null;
+      }
+    } else if (typeof els === "string") {
+      elements = [];
+      _ref = document.querySelectorAll(els);
+      for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
+        el = _ref[_j];
+        elements.push(el);
+      }
+    } else if (els.nodeType != null) {
+      elements = [els];
+    }
+    if (!((elements != null) && elements.length)) {
+      throw new Error("Invalid `" + name + "` option provided. Please provide a CSS selector, a plain HTML element or a list of those.");
+    }
+    return elements;
+  };
+
+  Dropzone.confirm = function(question, accepted, rejected) {
+    if (window.confirm(question)) {
+      return accepted();
+    } else if (rejected != null) {
+      return rejected();
+    }
+  };
+
+  Dropzone.isValidFile = function(file, acceptedFiles) {
+    var baseMimeType, mimeType, validType, _i, _len;
+    if (!acceptedFiles) {
+      return true;
+    }
+    acceptedFiles = acceptedFiles.split(",");
+    mimeType = file.type;
+    baseMimeType = mimeType.replace(/\/.*$/, "");
+    for (_i = 0, _len = acceptedFiles.length; _i < _len; _i++) {
+      validType = acceptedFiles[_i];
+      validType = validType.trim();
+      if (validType.charAt(0) === ".") {
+        if (file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.length - validType.length) !== -1) {
+          return true;
+        }
+      } else if (/\/\*$/.test(validType)) {
+        if (baseMimeType === validType.replace(/\/.*$/, "")) {
+          return true;
+        }
+      } else {
+        if (mimeType === validType) {
+          return true;
+        }
+      }
+    }
+    return false;
+  };
+
+  if (typeof jQuery !== "undefined" && jQuery !== null) {
+    jQuery.fn.dropzone = function(options) {
+      return this.each(function() {
+        return new Dropzone(this, options);
+      });
+    };
+  }
+
+  if (typeof module !== "undefined" && module !== null) {
+    module.exports = Dropzone;
+  } else {
+    window.Dropzone = Dropzone;
+  }
+
+  Dropzone.ADDED = "added";
+
+  Dropzone.QUEUED = "queued";
+
+  Dropzone.ACCEPTED = Dropzone.QUEUED;
+
+  Dropzone.UPLOADING = "uploading";
+
+  Dropzone.PROCESSING = Dropzone.UPLOADING;
+
+  Dropzone.CANCELED = "canceled";
+
+  Dropzone.ERROR = "error";
+
+  Dropzone.SUCCESS = "success";
+
+
+  /*
+  
+  Bugfix for iOS 6 and 7
+  Source: http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios
+  based on the work of https://github.com/stomita/ios-imagefile-megapixel
+   */
+
+  detectVerticalSquash = function(img) {
+    var alpha, canvas, ctx, data, ey, ih, iw, py, ratio, sy;
+    iw = img.naturalWidth;
+    ih = img.naturalHeight;
+    canvas = document.createElement("canvas");
+    canvas.width = 1;
+    canvas.height = ih;
+    ctx = canvas.getContext("2d");
+    ctx.drawImage(img, 0, 0);
+    data = ctx.getImageData(0, 0, 1, ih).data;
+    sy = 0;
+    ey = ih;
+    py = ih;
+    while (py > sy) {
+      alpha = data[(py - 1) * 4 + 3];
+      if (alpha === 0) {
+        ey = py;
+      } else {
+        sy = py;
+      }
+      py = (ey + sy) >> 1;
+    }
+    ratio = py / ih;
+    if (ratio === 0) {
+      return 1;
+    } else {
+      return ratio;
+    }
+  };
+
+  drawImageIOSFix = function(ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) {
+    var vertSquashRatio;
+    vertSquashRatio = detectVerticalSquash(img);
+    return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio);
+  };
+
+
+  /*
+   * contentloaded.js
+   *
+   * Author: Diego Perini (diego.perini at gmail.com)
+   * Summary: cross-browser wrapper for DOMContentLoaded
+   * Updated: 20101020
+   * License: MIT
+   * Version: 1.2
+   *
+   * URL:
+   * http://javascript.nwbox.com/ContentLoaded/
+   * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE
+   */
+
+  contentLoaded = function(win, fn) {
+    var add, doc, done, init, poll, pre, rem, root, top;
+    done = false;
+    top = true;
+    doc = win.document;
+    root = doc.documentElement;
+    add = (doc.addEventListener ? "addEventListener" : "attachEvent");
+    rem = (doc.addEventListener ? "removeEventListener" : "detachEvent");
+    pre = (doc.addEventListener ? "" : "on");
+    init = function(e) {
+      if (e.type === "readystatechange" && doc.readyState !== "complete") {
+        return;
+      }
+      (e.type === "load" ? win : doc)[rem](pre + e.type, init, false);
+      if (!done && (done = true)) {
+        return fn.call(win, e.type || e);
+      }
+    };
+    poll = function() {
+      var e;
+      try {
+        root.doScroll("left");
+      } catch (_error) {
+        e = _error;
+        setTimeout(poll, 50);
+        return;
+      }
+      return init("poll");
+    };
+    if (doc.readyState !== "complete") {
+      if (doc.createEventObject && root.doScroll) {
+        try {
+          top = !win.frameElement;
+        } catch (_error) {}
+        if (top) {
+          poll();
+        }
+      }
+      doc[add](pre + "DOMContentLoaded", init, false);
+      doc[add](pre + "readystatechange", init, false);
+      return win[add](pre + "load", init, false);
+    }
+  };
+
+  Dropzone._autoDiscoverFunction = function() {
+    if (Dropzone.autoDiscover) {
+      return Dropzone.discover();
+    }
+  };
+
+  contentLoaded(window, Dropzone._autoDiscoverFunction);
+
+}).call(this);
+
+});
+
+if (typeof exports == "object") {
+  module.exports = require("dropzone");
+} else if (typeof define == "function" && define.amd) {
+  define([], function(){ return require("dropzone"); });
+} else {
+  this["Dropzone"] = require("dropzone");
+}
+})()
diff --git a/static/js/jquery-2.1.1.min.js b/static/js/jquery-2.1.1.min.js
new file mode 100644
index 0000000..e5ace11
--- /dev/null
+++ b/static/js/jquery-2.1.1.min.js
@@ -0,0 +1,4 @@
+/*! jQuery v2.1.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
+!function(a,b){"object"==typeof module&&"object"==typeof module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw new Error("jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof window?window:this,function(a,b){var c=[],d=c.slice,e=c.concat,f=c.push,g=c.indexOf,h={},i=h.toString,j=h.hasOwnProperty,k={},l=a.document,m="2.1.1",n=function(a,b){return new n.fn.init(a,b)},o=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,p=/^-ms-/,q=/-([\da-z])/gi,r=function(a,b){return b.toUpperCase()};n.fn=n.prototype={jquery:m,constructor:n,selector:"",length:0,toArray:function(){return d.call(this)},get:function(a){return null!=a?0>a?this[a+this.length]:this[a]:d.call(this)},pushStack:function(a){var b=n.merge(this.constructor(),a);return b.prevObject=this,b.context=this.context,b},each:function(a,b){return n.each(this,a,b)},map:function(a){return this.pushStack(n.map(this,function(b,c){return a.call(b,c,b)}))},slice:function(){return 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diff --git a/static/js/underscore.js b/static/js/underscore.js
new file mode 100644
index 0000000..afd92e5
--- /dev/null
+++ b/static/js/underscore.js
@@ -0,0 +1,1416 @@
+//     Underscore.js 1.7.0
+//     http://underscorejs.org
+//     (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `exports` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var
+    push             = ArrayProto.push,
+    slice            = ArrayProto.slice,
+    concat           = ArrayProto.concat,
+    toString         = ObjProto.toString,
+    hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind;
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.7.0';
+
+  // Internal function that returns an efficient (for current engines) version
+  // of the passed-in callback, to be repeatedly applied in other Underscore
+  // functions.
+  var createCallback = function(func, context, argCount) {
+    if (context === void 0) return func;
+    switch (argCount == null ? 3 : argCount) {
+      case 1: return function(value) {
+        return func.call(context, value);
+      };
+      case 2: return function(value, other) {
+        return func.call(context, value, other);
+      };
+      case 3: return function(value, index, collection) {
+        return func.call(context, value, index, collection);
+      };
+      case 4: return function(accumulator, value, index, collection) {
+        return func.call(context, accumulator, value, index, collection);
+      };
+    }
+    return function() {
+      return func.apply(context, arguments);
+    };
+  };
+
+  // A mostly-internal function to generate callbacks that can be applied
+  // to each element in a collection, returning the desired result — either
+  // identity, an arbitrary callback, a property matcher, or a property accessor.
+  _.iteratee = function(value, context, argCount) {
+    if (value == null) return _.identity;
+    if (_.isFunction(value)) return createCallback(value, context, argCount);
+    if (_.isObject(value)) return _.matches(value);
+    return _.property(value);
+  };
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles raw objects in addition to array-likes. Treats all
+  // sparse array-likes as if they were dense.
+  _.each = _.forEach = function(obj, iteratee, context) {
+    if (obj == null) return obj;
+    iteratee = createCallback(iteratee, context);
+    var i, length = obj.length;
+    if (length === +length) {
+      for (i = 0; i < length; i++) {
+        iteratee(obj[i], i, obj);
+      }
+    } else {
+      var keys = _.keys(obj);
+      for (i = 0, length = keys.length; i < length; i++) {
+        iteratee(obj[keys[i]], keys[i], obj);
+      }
+    }
+    return obj;
+  };
+
+  // Return the results of applying the iteratee to each element.
+  _.map = _.collect = function(obj, iteratee, context) {
+    if (obj == null) return [];
+    iteratee = _.iteratee(iteratee, context);
+    var keys = obj.length !== +obj.length && _.keys(obj),
+        length = (keys || obj).length,
+        results = Array(length),
+        currentKey;
+    for (var index = 0; index < length; index++) {
+      currentKey = keys ? keys[index] : index;
+      results[index] = iteratee(obj[currentKey], currentKey, obj);
+    }
+    return results;
+  };
+
+  var reduceError = 'Reduce of empty array with no initial value';
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`.
+  _.reduce = _.foldl = _.inject = function(obj, iteratee, memo, context) {
+    if (obj == null) obj = [];
+    iteratee = createCallback(iteratee, context, 4);
+    var keys = obj.length !== +obj.length && _.keys(obj),
+        length = (keys || obj).length,
+        index = 0, currentKey;
+    if (arguments.length < 3) {
+      if (!length) throw new TypeError(reduceError);
+      memo = obj[keys ? keys[index++] : index++];
+    }
+    for (; index < length; index++) {
+      currentKey = keys ? keys[index] : index;
+      memo = iteratee(memo, obj[currentKey], currentKey, obj);
+    }
+    return memo;
+  };
+
+  // The right-associative version of reduce, also known as `foldr`.
+  _.reduceRight = _.foldr = function(obj, iteratee, memo, context) {
+    if (obj == null) obj = [];
+    iteratee = createCallback(iteratee, context, 4);
+    var keys = obj.length !== + obj.length && _.keys(obj),
+        index = (keys || obj).length,
+        currentKey;
+    if (arguments.length < 3) {
+      if (!index) throw new TypeError(reduceError);
+      memo = obj[keys ? keys[--index] : --index];
+    }
+    while (index--) {
+      currentKey = keys ? keys[index] : index;
+      memo = iteratee(memo, obj[currentKey], currentKey, obj);
+    }
+    return memo;
+  };
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, predicate, context) {
+    var result;
+    predicate = _.iteratee(predicate, context);
+    _.some(obj, function(value, index, list) {
+      if (predicate(value, index, list)) {
+        result = value;
+        return true;
+      }
+    });
+    return result;
+  };
+
+  // Return all the elements that pass a truth test.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, predicate, context) {
+    var results = [];
+    if (obj == null) return results;
+    predicate = _.iteratee(predicate, context);
+    _.each(obj, function(value, index, list) {
+      if (predicate(value, index, list)) results.push(value);
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, predicate, context) {
+    return _.filter(obj, _.negate(_.iteratee(predicate)), context);
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, predicate, context) {
+    if (obj == null) return true;
+    predicate = _.iteratee(predicate, context);
+    var keys = obj.length !== +obj.length && _.keys(obj),
+        length = (keys || obj).length,
+        index, currentKey;
+    for (index = 0; index < length; index++) {
+      currentKey = keys ? keys[index] : index;
+      if (!predicate(obj[currentKey], currentKey, obj)) return false;
+    }
+    return true;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Aliased as `any`.
+  _.some = _.any = function(obj, predicate, context) {
+    if (obj == null) return false;
+    predicate = _.iteratee(predicate, context);
+    var keys = obj.length !== +obj.length && _.keys(obj),
+        length = (keys || obj).length,
+        index, currentKey;
+    for (index = 0; index < length; index++) {
+      currentKey = keys ? keys[index] : index;
+      if (predicate(obj[currentKey], currentKey, obj)) return true;
+    }
+    return false;
+  };
+
+  // Determine if the array or object contains a given value (using `===`).
+  // Aliased as `include`.
+  _.contains = _.include = function(obj, target) {
+    if (obj == null) return false;
+    if (obj.length !== +obj.length) obj = _.values(obj);
+    return _.indexOf(obj, target) >= 0;
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
+    return _.map(obj, function(value) {
+      return (isFunc ? method : value[method]).apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, _.property(key));
+  };
+
+  // Convenience version of a common use case of `filter`: selecting only objects
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs) {
+    return _.filter(obj, _.matches(attrs));
+  };
+
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.find(obj, _.matches(attrs));
+  };
+
+  // Return the maximum element (or element-based computation).
+  _.max = function(obj, iteratee, context) {
+    var result = -Infinity, lastComputed = -Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = obj.length === +obj.length ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value > result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = _.iteratee(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iteratee, context) {
+    var result = Infinity, lastComputed = Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = obj.length === +obj.length ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value < result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = _.iteratee(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed < lastComputed || computed === Infinity && result === Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Shuffle a collection, using the modern version of the
+  // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
+  _.shuffle = function(obj) {
+    var set = obj && obj.length === +obj.length ? obj : _.values(obj);
+    var length = set.length;
+    var shuffled = Array(length);
+    for (var index = 0, rand; index < length; index++) {
+      rand = _.random(0, index);
+      if (rand !== index) shuffled[index] = shuffled[rand];
+      shuffled[rand] = set[index];
+    }
+    return shuffled;
+  };
+
+  // Sample **n** random values from a collection.
+  // If **n** is not specified, returns a single random element.
+  // The internal `guard` argument allows it to work with `map`.
+  _.sample = function(obj, n, guard) {
+    if (n == null || guard) {
+      if (obj.length !== +obj.length) obj = _.values(obj);
+      return obj[_.random(obj.length - 1)];
+    }
+    return _.shuffle(obj).slice(0, Math.max(0, n));
+  };
+
+  // Sort the object's values by a criterion produced by an iteratee.
+  _.sortBy = function(obj, iteratee, context) {
+    iteratee = _.iteratee(iteratee, context);
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value: value,
+        index: index,
+        criteria: iteratee(value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria;
+      var b = right.criteria;
+      if (a !== b) {
+        if (a > b || a === void 0) return 1;
+        if (a < b || b === void 0) return -1;
+      }
+      return left.index - right.index;
+    }), 'value');
+  };
+
+  // An internal function used for aggregate "group by" operations.
+  var group = function(behavior) {
+    return function(obj, iteratee, context) {
+      var result = {};
+      iteratee = _.iteratee(iteratee, context);
+      _.each(obj, function(value, index) {
+        var key = iteratee(value, index, obj);
+        behavior(result, value, key);
+      });
+      return result;
+    };
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key].push(value); else result[key] = [value];
+  });
+
+  // Indexes the object's values by a criterion, similar to `groupBy`, but for
+  // when you know that your index values will be unique.
+  _.indexBy = group(function(result, value, key) {
+    result[key] = value;
+  });
+
+  // Counts instances of an object that group by a certain criterion. Pass
+  // either a string attribute to count by, or a function that returns the
+  // criterion.
+  _.countBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key]++; else result[key] = 1;
+  });
+
+  // Use a comparator function to figure out the smallest index at which
+  // an object should be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iteratee, context) {
+    iteratee = _.iteratee(iteratee, context, 1);
+    var value = iteratee(obj);
+    var low = 0, high = array.length;
+    while (low < high) {
+      var mid = low + high >>> 1;
+      if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
+    }
+    return low;
+  };
+
+  // Safely create a real, live array from anything iterable.
+  _.toArray = function(obj) {
+    if (!obj) return [];
+    if (_.isArray(obj)) return slice.call(obj);
+    if (obj.length === +obj.length) return _.map(obj, _.identity);
+    return _.values(obj);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    if (obj == null) return 0;
+    return obj.length === +obj.length ? obj.length : _.keys(obj).length;
+  };
+
+  // Split a collection into two arrays: one whose elements all satisfy the given
+  // predicate, and one whose elements all do not satisfy the predicate.
+  _.partition = function(obj, predicate, context) {
+    predicate = _.iteratee(predicate, context);
+    var pass = [], fail = [];
+    _.each(obj, function(value, key, obj) {
+      (predicate(value, key, obj) ? pass : fail).push(value);
+    });
+    return [pass, fail];
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head` and `take`. The **guard** check
+  // allows it to work with `_.map`.
+  _.first = _.head = _.take = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[0];
+    if (n < 0) return [];
+    return slice.call(array, 0, n);
+  };
+
+  // Returns everything but the last entry of the array. Especially useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N. The **guard** check allows it to work with
+  // `_.map`.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array. The **guard** check allows it to work with `_.map`.
+  _.last = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[array.length - 1];
+    return slice.call(array, Math.max(array.length - n, 0));
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+  // Especially useful on the arguments object. Passing an **n** will return
+  // the rest N values in the array. The **guard**
+  // check allows it to work with `_.map`.
+  _.rest = _.tail = _.drop = function(array, n, guard) {
+    return slice.call(array, n == null || guard ? 1 : n);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, _.identity);
+  };
+
+  // Internal implementation of a recursive `flatten` function.
+  var flatten = function(input, shallow, strict, output) {
+    if (shallow && _.every(input, _.isArray)) {
+      return concat.apply(output, input);
+    }
+    for (var i = 0, length = input.length; i < length; i++) {
+      var value = input[i];
+      if (!_.isArray(value) && !_.isArguments(value)) {
+        if (!strict) output.push(value);
+      } else if (shallow) {
+        push.apply(output, value);
+      } else {
+        flatten(value, shallow, strict, output);
+      }
+    }
+    return output;
+  };
+
+  // Flatten out an array, either recursively (by default), or just one level.
+  _.flatten = function(array, shallow) {
+    return flatten(array, shallow, false, []);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iteratee, context) {
+    if (array == null) return [];
+    if (!_.isBoolean(isSorted)) {
+      context = iteratee;
+      iteratee = isSorted;
+      isSorted = false;
+    }
+    if (iteratee != null) iteratee = _.iteratee(iteratee, context);
+    var result = [];
+    var seen = [];
+    for (var i = 0, length = array.length; i < length; i++) {
+      var value = array[i];
+      if (isSorted) {
+        if (!i || seen !== value) result.push(value);
+        seen = value;
+      } else if (iteratee) {
+        var computed = iteratee(value, i, array);
+        if (_.indexOf(seen, computed) < 0) {
+          seen.push(computed);
+          result.push(value);
+        }
+      } else if (_.indexOf(result, value) < 0) {
+        result.push(value);
+      }
+    }
+    return result;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(flatten(arguments, true, true, []));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersection = function(array) {
+    if (array == null) return [];
+    var result = [];
+    var argsLength = arguments.length;
+    for (var i = 0, length = array.length; i < length; i++) {
+      var item = array[i];
+      if (_.contains(result, item)) continue;
+      for (var j = 1; j < argsLength; j++) {
+        if (!_.contains(arguments[j], item)) break;
+      }
+      if (j === argsLength) result.push(item);
+    }
+    return result;
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = flatten(slice.call(arguments, 1), true, true, []);
+    return _.filter(array, function(value){
+      return !_.contains(rest, value);
+    });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function(array) {
+    if (array == null) return [];
+    var length = _.max(arguments, 'length').length;
+    var results = Array(length);
+    for (var i = 0; i < length; i++) {
+      results[i] = _.pluck(arguments, i);
+    }
+    return results;
+  };
+
+  // Converts lists into objects. Pass either a single array of `[key, value]`
+  // pairs, or two parallel arrays of the same length -- one of keys, and one of
+  // the corresponding values.
+  _.object = function(list, values) {
+    if (list == null) return {};
+    var result = {};
+    for (var i = 0, length = list.length; i < length; i++) {
+      if (values) {
+        result[list[i]] = values[i];
+      } else {
+        result[list[i][0]] = list[i][1];
+      }
+    }
+    return result;
+  };
+
+  // Return the position of the first occurrence of an item in an array,
+  // or -1 if the item is not included in the array.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = function(array, item, isSorted) {
+    if (array == null) return -1;
+    var i = 0, length = array.length;
+    if (isSorted) {
+      if (typeof isSorted == 'number') {
+        i = isSorted < 0 ? Math.max(0, length + isSorted) : isSorted;
+      } else {
+        i = _.sortedIndex(array, item);
+        return array[i] === item ? i : -1;
+      }
+    }
+    for (; i < length; i++) if (array[i] === item) return i;
+    return -1;
+  };
+
+  _.lastIndexOf = function(array, item, from) {
+    if (array == null) return -1;
+    var idx = array.length;
+    if (typeof from == 'number') {
+      idx = from < 0 ? idx + from + 1 : Math.min(idx, from + 1);
+    }
+    while (--idx >= 0) if (array[idx] === item) return idx;
+    return -1;
+  };
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (arguments.length <= 1) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = step || 1;
+
+    var length = Math.max(Math.ceil((stop - start) / step), 0);
+    var range = Array(length);
+
+    for (var idx = 0; idx < length; idx++, start += step) {
+      range[idx] = start;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Reusable constructor function for prototype setting.
+  var Ctor = function(){};
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
+  _.bind = function(func, context) {
+    var args, bound;
+    if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
+    args = slice.call(arguments, 2);
+    bound = function() {
+      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
+      Ctor.prototype = func.prototype;
+      var self = new Ctor;
+      Ctor.prototype = null;
+      var result = func.apply(self, args.concat(slice.call(arguments)));
+      if (_.isObject(result)) return result;
+      return self;
+    };
+    return bound;
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context. _ acts
+  // as a placeholder, allowing any combination of arguments to be pre-filled.
+  _.partial = function(func) {
+    var boundArgs = slice.call(arguments, 1);
+    return function() {
+      var position = 0;
+      var args = boundArgs.slice();
+      for (var i = 0, length = args.length; i < length; i++) {
+        if (args[i] === _) args[i] = arguments[position++];
+      }
+      while (position < arguments.length) args.push(arguments[position++]);
+      return func.apply(this, args);
+    };
+  };
+
+  // Bind a number of an object's methods to that object. Remaining arguments
+  // are the method names to be bound. Useful for ensuring that all callbacks
+  // defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var i, length = arguments.length, key;
+    if (length <= 1) throw new Error('bindAll must be passed function names');
+    for (i = 1; i < length; i++) {
+      key = arguments[i];
+      obj[key] = _.bind(obj[key], obj);
+    }
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memoize = function(key) {
+      var cache = memoize.cache;
+      var address = hasher ? hasher.apply(this, arguments) : key;
+      if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);
+      return cache[address];
+    };
+    memoize.cache = {};
+    return memoize;
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){
+      return func.apply(null, args);
+    }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = function(func) {
+    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+  };
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time. Normally, the throttled function will run
+  // as much as it can, without ever going more than once per `wait` duration;
+  // but if you'd like to disable the execution on the leading edge, pass
+  // `{leading: false}`. To disable execution on the trailing edge, ditto.
+  _.throttle = function(func, wait, options) {
+    var context, args, result;
+    var timeout = null;
+    var previous = 0;
+    if (!options) options = {};
+    var later = function() {
+      previous = options.leading === false ? 0 : _.now();
+      timeout = null;
+      result = func.apply(context, args);
+      if (!timeout) context = args = null;
+    };
+    return function() {
+      var now = _.now();
+      if (!previous && options.leading === false) previous = now;
+      var remaining = wait - (now - previous);
+      context = this;
+      args = arguments;
+      if (remaining <= 0 || remaining > wait) {
+        clearTimeout(timeout);
+        timeout = null;
+        previous = now;
+        result = func.apply(context, args);
+        if (!timeout) context = args = null;
+      } else if (!timeout && options.trailing !== false) {
+        timeout = setTimeout(later, remaining);
+      }
+      return result;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds. If `immediate` is passed, trigger the function on the
+  // leading edge, instead of the trailing.
+  _.debounce = function(func, wait, immediate) {
+    var timeout, args, context, timestamp, result;
+
+    var later = function() {
+      var last = _.now() - timestamp;
+
+      if (last < wait && last > 0) {
+        timeout = setTimeout(later, wait - last);
+      } else {
+        timeout = null;
+        if (!immediate) {
+          result = func.apply(context, args);
+          if (!timeout) context = args = null;
+        }
+      }
+    };
+
+    return function() {
+      context = this;
+      args = arguments;
+      timestamp = _.now();
+      var callNow = immediate && !timeout;
+      if (!timeout) timeout = setTimeout(later, wait);
+      if (callNow) {
+        result = func.apply(context, args);
+        context = args = null;
+      }
+
+      return result;
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return _.partial(wrapper, func);
+  };
+
+  // Returns a negated version of the passed-in predicate.
+  _.negate = function(predicate) {
+    return function() {
+      return !predicate.apply(this, arguments);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var args = arguments;
+    var start = args.length - 1;
+    return function() {
+      var i = start;
+      var result = args[start].apply(this, arguments);
+      while (i--) result = args[i].call(this, result);
+      return result;
+    };
+  };
+
+  // Returns a function that will only be executed after being called N times.
+  _.after = function(times, func) {
+    return function() {
+      if (--times < 1) {
+        return func.apply(this, arguments);
+      }
+    };
+  };
+
+  // Returns a function that will only be executed before being called N times.
+  _.before = function(times, func) {
+    var memo;
+    return function() {
+      if (--times > 0) {
+        memo = func.apply(this, arguments);
+      } else {
+        func = null;
+      }
+      return memo;
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = _.partial(_.before, 2);
+
+  // Object Functions
+  // ----------------
+
+  // Retrieve the names of an object's properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = function(obj) {
+    if (!_.isObject(obj)) return [];
+    if (nativeKeys) return nativeKeys(obj);
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys.push(key);
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var values = Array(length);
+    for (var i = 0; i < length; i++) {
+      values[i] = obj[keys[i]];
+    }
+    return values;
+  };
+
+  // Convert an object into a list of `[key, value]` pairs.
+  _.pairs = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var pairs = Array(length);
+    for (var i = 0; i < length; i++) {
+      pairs[i] = [keys[i], obj[keys[i]]];
+    }
+    return pairs;
+  };
+
+  // Invert the keys and values of an object. The values must be serializable.
+  _.invert = function(obj) {
+    var result = {};
+    var keys = _.keys(obj);
+    for (var i = 0, length = keys.length; i < length; i++) {
+      result[obj[keys[i]]] = keys[i];
+    }
+    return result;
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    var source, prop;
+    for (var i = 1, length = arguments.length; i < length; i++) {
+      source = arguments[i];
+      for (prop in source) {
+        if (hasOwnProperty.call(source, prop)) {
+            obj[prop] = source[prop];
+        }
+      }
+    }
+    return obj;
+  };
+
+  // Return a copy of the object only containing the whitelisted properties.
+  _.pick = function(obj, iteratee, context) {
+    var result = {}, key;
+    if (obj == null) return result;
+    if (_.isFunction(iteratee)) {
+      iteratee = createCallback(iteratee, context);
+      for (key in obj) {
+        var value = obj[key];
+        if (iteratee(value, key, obj)) result[key] = value;
+      }
+    } else {
+      var keys = concat.apply([], slice.call(arguments, 1));
+      obj = new Object(obj);
+      for (var i = 0, length = keys.length; i < length; i++) {
+        key = keys[i];
+        if (key in obj) result[key] = obj[key];
+      }
+    }
+    return result;
+  };
+
+   // Return a copy of the object without the blacklisted properties.
+  _.omit = function(obj, iteratee, context) {
+    if (_.isFunction(iteratee)) {
+      iteratee = _.negate(iteratee);
+    } else {
+      var keys = _.map(concat.apply([], slice.call(arguments, 1)), String);
+      iteratee = function(value, key) {
+        return !_.contains(keys, key);
+      };
+    }
+    return _.pick(obj, iteratee, context);
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    for (var i = 1, length = arguments.length; i < length; i++) {
+      var source = arguments[i];
+      for (var prop in source) {
+        if (obj[prop] === void 0) obj[prop] = source[prop];
+      }
+    }
+    return obj;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Internal recursive comparison function for `isEqual`.
+  var eq = function(a, b, aStack, bStack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
+    if (a === b) return a !== 0 || 1 / a === 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className !== toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, regular expressions, dates, and booleans are compared by value.
+      case '[object RegExp]':
+      // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return '' + a === '' + b;
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive.
+        // Object(NaN) is equivalent to NaN
+        if (+a !== +a) return +b !== +b;
+        // An `egal` comparison is performed for other numeric values.
+        return +a === 0 ? 1 / +a === 1 / b : +a === +b;
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a === +b;
+    }
+    if (typeof a != 'object' || typeof b != 'object') return false;
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+    var length = aStack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (aStack[length] === a) return bStack[length] === b;
+    }
+    // Objects with different constructors are not equivalent, but `Object`s
+    // from different frames are.
+    var aCtor = a.constructor, bCtor = b.constructor;
+    if (
+      aCtor !== bCtor &&
+      // Handle Object.create(x) cases
+      'constructor' in a && 'constructor' in b &&
+      !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
+        _.isFunction(bCtor) && bCtor instanceof bCtor)
+    ) {
+      return false;
+    }
+    // Add the first object to the stack of traversed objects.
+    aStack.push(a);
+    bStack.push(b);
+    var size, result;
+    // Recursively compare objects and arrays.
+    if (className === '[object Array]') {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      size = a.length;
+      result = size === b.length;
+      if (result) {
+        // Deep compare the contents, ignoring non-numeric properties.
+        while (size--) {
+          if (!(result = eq(a[size], b[size], aStack, bStack))) break;
+        }
+      }
+    } else {
+      // Deep compare objects.
+      var keys = _.keys(a), key;
+      size = keys.length;
+      // Ensure that both objects contain the same number of properties before comparing deep equality.
+      result = _.keys(b).length === size;
+      if (result) {
+        while (size--) {
+          // Deep compare each member
+          key = keys[size];
+          if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
+        }
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    aStack.pop();
+    bStack.pop();
+    return result;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b, [], []);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (obj == null) return true;
+    if (_.isArray(obj) || _.isString(obj) || _.isArguments(obj)) return obj.length === 0;
+    for (var key in obj) if (_.has(obj, key)) return false;
+    return true;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType === 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) === '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    var type = typeof obj;
+    return type === 'function' || type === 'object' && !!obj;
+  };
+
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
+  _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
+    _['is' + name] = function(obj) {
+      return toString.call(obj) === '[object ' + name + ']';
+    };
+  });
+
+  // Define a fallback version of the method in browsers (ahem, IE), where
+  // there isn't any inspectable "Arguments" type.
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return _.has(obj, 'callee');
+    };
+  }
+
+  // Optimize `isFunction` if appropriate. Work around an IE 11 bug.
+  if (typeof /./ !== 'function') {
+    _.isFunction = function(obj) {
+      return typeof obj == 'function' || false;
+    };
+  }
+
+  // Is a given object a finite number?
+  _.isFinite = function(obj) {
+    return isFinite(obj) && !isNaN(parseFloat(obj));
+  };
+
+  // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+  _.isNaN = function(obj) {
+    return _.isNumber(obj) && obj !== +obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Shortcut function for checking if an object has a given property directly
+  // on itself (in other words, not on a prototype).
+  _.has = function(obj, key) {
+    return obj != null && hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iteratees.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Predicate-generating functions. Often useful outside of Underscore.
+  _.constant = function(value) {
+    return function() {
+      return value;
+    };
+  };
+
+  _.noop = function(){};
+
+  _.property = function(key) {
+    return function(obj) {
+      return obj[key];
+    };
+  };
+
+  // Returns a predicate for checking whether an object has a given set of `key:value` pairs.
+  _.matches = function(attrs) {
+    var pairs = _.pairs(attrs), length = pairs.length;
+    return function(obj) {
+      if (obj == null) return !length;
+      obj = new Object(obj);
+      for (var i = 0; i < length; i++) {
+        var pair = pairs[i], key = pair[0];
+        if (pair[1] !== obj[key] || !(key in obj)) return false;
+      }
+      return true;
+    };
+  };
+
+  // Run a function **n** times.
+  _.times = function(n, iteratee, context) {
+    var accum = Array(Math.max(0, n));
+    iteratee = createCallback(iteratee, context, 1);
+    for (var i = 0; i < n; i++) accum[i] = iteratee(i);
+    return accum;
+  };
+
+  // Return a random integer between min and max (inclusive).
+  _.random = function(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  };
+
+  // A (possibly faster) way to get the current timestamp as an integer.
+  _.now = Date.now || function() {
+    return new Date().getTime();
+  };
+
+   // List of HTML entities for escaping.
+  var escapeMap = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#x27;',
+    '`': '&#x60;'
+  };
+  var unescapeMap = _.invert(escapeMap);
+
+  // Functions for escaping and unescaping strings to/from HTML interpolation.
+  var createEscaper = function(map) {
+    var escaper = function(match) {
+      return map[match];
+    };
+    // Regexes for identifying a key that needs to be escaped
+    var source = '(?:' + _.keys(map).join('|') + ')';
+    var testRegexp = RegExp(source);
+    var replaceRegexp = RegExp(source, 'g');
+    return function(string) {
+      string = string == null ? '' : '' + string;
+      return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+    };
+  };
+  _.escape = createEscaper(escapeMap);
+  _.unescape = createEscaper(unescapeMap);
+
+  // If the value of the named `property` is a function then invoke it with the
+  // `object` as context; otherwise, return it.
+  _.result = function(object, property) {
+    if (object == null) return void 0;
+    var value = object[property];
+    return _.isFunction(value) ? object[property]() : value;
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = ++idCounter + '';
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /(.)^/;
+
+  // Certain characters need to be escaped so that they can be put into a
+  // string literal.
+  var escapes = {
+    "'":      "'",
+    '\\':     '\\',
+    '\r':     'r',
+    '\n':     'n',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  var escaper = /\\|'|\r|\n|\u2028|\u2029/g;
+
+  var escapeChar = function(match) {
+    return '\\' + escapes[match];
+  };
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  // NB: `oldSettings` only exists for backwards compatibility.
+  _.template = function(text, settings, oldSettings) {
+    if (!settings && oldSettings) settings = oldSettings;
+    settings = _.defaults({}, settings, _.templateSettings);
+
+    // Combine delimiters into one regular expression via alternation.
+    var matcher = RegExp([
+      (settings.escape || noMatch).source,
+      (settings.interpolate || noMatch).source,
+      (settings.evaluate || noMatch).source
+    ].join('|') + '|$', 'g');
+
+    // Compile the template source, escaping string literals appropriately.
+    var index = 0;
+    var source = "__p+='";
+    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+      source += text.slice(index, offset).replace(escaper, escapeChar);
+      index = offset + match.length;
+
+      if (escape) {
+        source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+      } else if (interpolate) {
+        source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+      } else if (evaluate) {
+        source += "';\n" + evaluate + "\n__p+='";
+      }
+
+      // Adobe VMs need the match returned to produce the correct offest.
+      return match;
+    });
+    source += "';\n";
+
+    // If a variable is not specified, place data values in local scope.
+    if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+    source = "var __t,__p='',__j=Array.prototype.join," +
+      "print=function(){__p+=__j.call(arguments,'');};\n" +
+      source + 'return __p;\n';
+
+    try {
+      var render = new Function(settings.variable || 'obj', '_', source);
+    } catch (e) {
+      e.source = source;
+      throw e;
+    }
+
+    var template = function(data) {
+      return render.call(this, data, _);
+    };
+
+    // Provide the compiled source as a convenience for precompilation.
+    var argument = settings.variable || 'obj';
+    template.source = 'function(' + argument + '){\n' + source + '}';
+
+    return template;
+  };
+
+  // Add a "chain" function. Start chaining a wrapped Underscore object.
+  _.chain = function(obj) {
+    var instance = _(obj);
+    instance._chain = true;
+    return instance;
+  };
+
+  // OOP
+  // ---------------
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(obj) {
+    return this._chain ? _(obj).chain() : obj;
+  };
+
+  // Add your own custom functions to the Underscore object.
+  _.mixin = function(obj) {
+    _.each(_.functions(obj), function(name) {
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = [this._wrapped];
+        push.apply(args, arguments);
+        return result.call(this, func.apply(_, args));
+      };
+    });
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      var obj = this._wrapped;
+      method.apply(obj, arguments);
+      if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];
+      return result.call(this, obj);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  _.each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      return result.call(this, method.apply(this._wrapped, arguments));
+    };
+  });
+
+  // Extracts the result from a wrapped and chained object.
+  _.prototype.value = function() {
+    return this._wrapped;
+  };
+
+  // AMD registration happens at the end for compatibility with AMD loaders
+  // that may not enforce next-turn semantics on modules. Even though general
+  // practice for AMD registration is to be anonymous, underscore registers
+  // as a named module because, like jQuery, it is a base library that is
+  // popular enough to be bundled in a third party lib, but not be part of
+  // an AMD load request. Those cases could generate an error when an
+  // anonymous define() is called outside of a loader request.
+  if (typeof define === 'function' && define.amd) {
+    define('underscore', [], function() {
+      return _;
+    });
+  }
+}.call(this));
diff --git a/static/js/underscore.min.js b/static/js/underscore.min.js
new file mode 100644
index 0000000..11f1d96
--- /dev/null
+++ b/static/js/underscore.min.js
@@ -0,0 +1,6 @@
+//     Underscore.js 1.7.0
+//     http://underscorejs.org
+//     (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+(function(){var n=this,t=n._,r=Array.prototype,e=Object.prototype,u=Function.prototype,i=r.push,a=r.slice,o=r.concat,l=e.toString,c=e.hasOwnProperty,f=Array.isArray,s=Object.keys,p=u.bind,h=function(n){return n instanceof h?n:this instanceof h?void(this._wrapped=n):new h(n)};"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=h),exports._=h):n._=h,h.VERSION="1.7.0";var g=function(n,t,r){if(t===void 0)return n;switch(null==r?3:r){case 1:return function(r){return n.call(t,r)};case 2:return function(r,e){return n.call(t,r,e)};case 3:return function(r,e,u){return n.call(t,r,e,u)};case 4:return function(r,e,u,i){return n.call(t,r,e,u,i)}}return function(){return n.apply(t,arguments)}};h.iteratee=function(n,t,r){return null==n?h.identity:h.isFunction(n)?g(n,t,r):h.isObject(n)?h.matches(n):h.property(n)},h.each=h.forEach=function(n,t,r){if(null==n)return n;t=g(t,r);var e,u=n.length;if(u===+u)for(e=0;u>e;e++)t(n[e],e,n);else{var 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