venues now handle identity differently with VenueParticipant instead of UserId
fixed alias bug due to roster entry change
Former-commit-id: 9a8b011683ffe7194c48b1827d3a4f0ddf4f9627
delegated compression to smack
added timeout for http config
fixed getting all joined venues
fixed room invitation from non-cave client
create session checks for session name already used
Former-commit-id: 3781483ef6dd1889aa0ecd6ccc83bfb2461713b5
added smack 3.3.1 to cots
collaboration now uses smack directly for XMPP
moderate code cleanup on collaboration.comm
added double click to start chat in participant list
Former-commit-id: 6fc85f79c126283eb4dbddfa94943523d9ff0a6d
