Log unread message timestamps

// FREEBIE

js/models/conversations.js

@@ -46,6 +46,9 @@
     countUnread: function() {
         return this.getUnread().then(function(unreadMessages) {
             this.save({unreadCount: unreadMessages.length});
+            if (unreadMessages.length) {
+                console.log(this.id, 'unread messages:', unreadMessages.pluck('sent_at'));
+            }
         }.bind(this));
     },