Cleanup inbox view

Don't auto open the last conversation. It doesn't make sense now that we
no longer have two column layout.

Don't trigger/listen for selected events. There's no need since the list
item opens a new popup now.

js/views/conversation_list_item_view.js

@@ -20,7 +20,6 @@ var Whisper = Whisper || {};
   'use strict';
 
   var bg = extension.windows.getBackground();
-
   // list of conversations, showing user/group and last message sent
   Whisper.ConversationListItemView = Backbone.View.extend({
     tagName: 'div',
@@ -39,17 +38,8 @@ var Whisper = Whisper || {};
     },
 
     open: function(e) {
-      var modelId = this.model.id;
-
       this.$el.addClass('selected');
-
-      if (!this.view) {
-        this.view = new Whisper.ConversationView({ model: this.model });
-      }
-
-      bg.openConversation(modelId);
-
-      this.model.collection.trigger('selected', this.view);
+      bg.openConversation(this.model.id);
     },
 
     render: function() {

js/views/inbox_view.js

@@ -30,23 +30,13 @@
                 collection : this.conversations
             });
 
-            this.conversations.fetchActive({reset: true}).then(function() {
-                if (this.conversations.length) {
-                    this.conversations.at(0).trigger('open');
-                }
-            }.bind(this));
+            this.conversations.fetchActive({reset: true});
 
             extension.on('message', function(message) {
                 this.conversations.fetch({id: message.conversationId}).then(function() {
                     this.conversations.get(message.conversationId).fetchMessages();
                 }.bind(this));
             }.bind(this));
-
-            this.conversations.on('selected', function(view) {
-                $('.conversation').hide().trigger('close'); // detach any existing conversation views
-                this.setContent(view.$el.show());
-                view.render();
-            }, this);
         },
         events: {
             'click #new-message': 'new_message',