closes #2745

generate paths on retrieval instead of notification creation
also fix follow notification path

src/socket.io/user.js

@@ -294,7 +294,6 @@ SocketUser.follow = function(socket, data, callback) {
 
 			notifications.create({
 				bodyShort: '[[notifications:user_started_following_you, ' + userData.username + ']]',
-				path: nconf.get('relative_path') + '/user/' + userData.userslug,
 				nid: 'follow:' + data.uid + ':uid:' + socket.uid,
 				from: socket.uid
 			}, function(err, notification) {