send back empty object if no data for user

public/src/forum/topic.js

@@ -251,6 +251,7 @@
 		var username = data.username;
 		var fromuid = data.fromuid;
 		var message = data.message;
+		
 		require(['chat'], function(chat) {
 			var chatModal = chat.createModalIfDoesntExist(username, fromuid);
 			chatModal.show();

src/user.js

@@ -64,11 +64,15 @@ var utils = require('./../public/src/utils.js'),
 		RDB.hgetall('user:'+uid, function(err, data){
 			if(err === null)
 			{
-				if(data && data['password'])
+				if(data) {
+					if(data['password'])
 						delete data['password'];
 					data.uid = uid;
 					callback(data);
 				}
+				else
+					callback({});
+			}
 			else
 				console.log(err);
 		});