primitivus, wix: auto-display MUC dialog after it has been joined:

- a patch will follow to add a parameter for the user to choose between "always open", "never open" and "ask each time".

frontends/src/quick_frontend/quick_chat.py

@@ -141,7 +141,6 @@ class QuickChat(object):
         """
         raise NotImplementedError
 
-
     def startGame(self, game_type, referee, players):
         """Configure the chat window to start a game"""
         #No need to raise an error as game are not mandatory
@@ -151,3 +150,4 @@ class QuickChat(object):
         """Return class managing the game type"""
         #No need to raise an error as game are not mandatory
         warning(_('getGame is not implemented in this frontend'))
+