smuxi-channel-stats: #smuxi-devel moved to freenode
Engine-XMPP: Implemented FindGroupChats for chat rooms on own server (closes: #790)

this is the first step in fixing bug #891
hipchat still won't work out of the box
Engine-XMPP, Frontend-GNOME: XmppProtocolManager was getting crowded with custom code for special servers

took all facebook specific code out of XmppProtocolManager and placed the parts that are still in use in FacebookProtocolManager