Merge branch 'merge-polling-with-master' of github.com:antobinary/bigbluebutton into merge-polling-with-master
 - keep track of users in listen only mode
 - send user connected/disconnected to/from global audio message
 - reset property
 - handle user connected/disconnected to/from global audio
 - handle message correctly
 - finish global audio...display speaker icon beside user's name when joined in listen-only mode
 - fix listen-only in get users reply
Merge branch 'merge-polling-with-master' of github.com:antobinary/bigbluebutton into merge-polling-with-master
 - fix param names
Merge branch 'merge-polling-with-master' of https://github.com/bigbluebutton/bigbluebutton into merge-polling-with-master