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: 0c33e958600270102f91bf5868e396345dde476c@3699 e27351fd-9f3e-4f54-a53b-843176b1656c

red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver