Since the default log level is warn, we're missing some key debugging info.  Bumping a few xmpp messages up to warn level.
Since the default log level is warn, we're missing some key debugging info.  Bumping a few xmpp messages up to warn level.


git-svn-id: 81e381228600e5752b80483efd2b45b26c451ea2@3699 e27351fd-9f3e-4f54-a53b-843176b1656c

trevor/calendarserver,trevor/calendarserver,trevor/calendarserver