core (memory/disco): getInfos now handle node + use client instead of profile in many methods

src/plugins/plugin_xep_0045.py

@@ -362,8 +362,9 @@ class XEP_0045(object):
         @param jid_: entity which may have a MUC service, or None for our own server
         @param profile: %(doc_profile)s
         """
+        client = self.host.getClient(profile)
         muc_service = None
-        services = yield self.host.findServiceEntities("conference", "text", jid_, profile=profile)
+        services = yield self.host.findServiceEntities(client, "conference", "text", jid_)
         for service in services:
             if ".irc." not in service.userhost():
                 # FIXME:
@@ -712,7 +713,7 @@ class XEP_0045(object):
             msg = D_(u"{} is not a valid JID!".format(unparsed))
             self.text_cmds.feedBack(client, msg, mess_data)
             return False
-        d = self.host.getDiscoItems(service, profile=client.profile)
+        d = self.host.getDiscoItems(client, service)
         d.addCallback(self._showListUI, client, service)
 
         return False