Basic methods and a bit of interface for chat lobby.

Next:
- chat lobby algorithmics (cache+broadcast system)
- invitation handling
- specification of chat lobby window with list of known/unknown participants


git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-ChatLobby@4685 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/common/FriendList.h

@@ -122,6 +122,8 @@ private slots:
 
     void editGroup();
     void removeGroup();
+
+	 void inviteToLobby();
 };
 
 #endif // FRIENDLIST_H