After destroying messages, remove the conversation view

js/views/conversation_view.js

@@ -186,6 +186,7 @@
         destroyMessages: function(e) {
             this.confirm("Permanently delete this conversation?").then(function() {
                 this.model.destroyMessages();
+                this.remove();
             }.bind(this));
             this.$('.menu-list').hide();
         },