Update records list in BBLocalStorage on fetch

Previously, would only update the known messages.

js/popup.js

@@ -22,6 +22,7 @@ Whisper.Layout = new (Backbone.View.extend({
 
         new Whisper.ConversationListView({el: $('#contacts')});
         window.addEventListener('resize', this.resize.bind(this));
+        window.addEventListener('storage', function(){Whisper.Threads.fetch();});
         Whisper.Threads.fetch({reset: true});
     },
     events: {

js/views/conversation_view.js

@@ -14,12 +14,19 @@ var Whisper = Whisper || {};
       this.view = new Whisper.MessageListView({collection: this.model.messages()});
       this.model.messages().fetch({reset: true});
       this.$el.find('.discussion-container').append(this.view.el);
+      window.addEventListener('storage', (function(){
+        this.fetch();
+      }).bind(this));
     },
     events: {
       'submit .send': 'sendMessage',
       'close': 'remove'
     },
 
+    fetch: function() {
+      this.model.messages().fetch({reset: true});
+    },
+
     sendMessage: function(e) {
       e.preventDefault();
       var input = this.$el.find('.send input');