core: return full jid in bridge's getContacts:

getContacts was returning only bare jid of entities, but jids with resources may be present in roster, so this behaviour has been changed.

sat/core/sat_main.py

@@ -503,7 +503,9 @@ class SAT(service.Service):
             for item in client.roster.getItems():  # we get all items for client's roster
                 # and convert them to expected format
                 attr = client.roster.getAttributes(item)
-                ret.append([item.jid.userhost(), attr, item.groups])
+                # we use full() and not userhost() because jid with resources are allowed
+                # in roster, even if it's not common.
+                ret.append([item.entity.full(), attr, item.groups])
             return ret
 
         return client.roster.got_roster.addCallback(got_roster)