removed rooms.js removed browsing users, removed chat syncing across sockets

use lastonline for online detection

src/controllers/topics.js

@@ -125,6 +125,7 @@ topicsController.get = function(req, res, callback) {
 			});
 		},
 		function (topicData, next) {
+
 			var breadcrumbs = [
 				{
 					text: topicData.category.name,