Renames "Go to chat room" label in the File menu and "Go to chat room"

dialog.

resources/languages/resources.properties

@@ -355,8 +355,8 @@ service.gui.MSG_NOT_POSSIBLE=Messaging is not possible for this contact (it is n
 service.gui.MSG_RECEIVED={0} wrote
 service.gui.MSG_SEND_CONNECTION_PROBLEM=You should be connected to be able to send messages.
 service.gui.MULTIPLE_LOGINS=You have logged in more than once with the same account. The following account: User name: {0}, Server name: {1} is currently disconnected.
-service.gui.MY_CHAT_ROOMS=Go to chat room...
-service.gui.MY_CHAT_ROOMS_TITLE=Go to chat room
+service.gui.MY_CHAT_ROOMS=Add chat room
+service.gui.MY_CHAT_ROOMS_TITLE=Add chat room
 service.gui.MUTE=Mute
 service.gui.MUTUALLY_ON_HOLD_STATUS=Mutually On Hold
 service.gui.NAME=Name