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
Amend: Removed eclipse feature all together, added os and arch to fragments. Ensured unpack flag stayed same when changing features.
Change-Id: I78a2c5262ebdbe3ace3c180254b5f036011c0a65
Former-commit-id: dd4ddb8aacf82f7c69860b470c3f754a59f0c124