Get chat back to work. Well except it get very confused

if users have the same ip address.

Dan I commented out the service deserialization in BrowserShell
because it was not really working (also there was a few typos in
that code)

sugar/presence/PresenceService.py

@@ -575,7 +575,7 @@ class PresenceService(gobject.GObject):
 
 	def get_buddy_by_address(self, address):
 		for buddy in self._buddies.values():
-			if buddy.get_address == address:
+			if buddy.get_address() == address:
 				return buddy
 		return None