- move timestamp to right
 - don't show playlist toolbar
 - fit broadcasted video to window
 - add js api to query if user is publishing cam or not
 - add sample how to query if user is publishing cam or not
Merge branch 'master' of git://github.com/bigbluebutton/bigbluebutton
 - preview or view webcam when switching presenter
 - add example on how to handle preview and view webcam stream when switching presenter
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
alteracoes
Merge remote branch 'upstream/master'
alteracoes