dont reload settings page on every save

only show an alert if reload is required
renamed settings.language to settings.userLang to match the config

src/socket.io/meta.js

@@ -40,7 +40,7 @@ SocketMeta.buildTitle = function(socket, text, callback) {
 			if (err) {
 				return callback(err);
 			}
-			meta.title.build(text, settings.language, {}, callback);
+			meta.title.build(text, settings.userLang, {}, callback);
 		});
 	} else {
 		meta.title.build(text, meta.config.defaultLang, {}, callback);