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: e6c4b39aca [formerly 6fc85f79c126283eb4dbddfa94943523d9ff0a6d]
Former-commit-id: 8ece30944a
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: 7513e5982b [formerly dd4ddb8aacf82f7c69860b470c3f754a59f0c124]
Former-commit-id: bd52681be3