Fixes so rap-worker.rb executes
Merge branch 'merge-polling-with-master' of https://github.com/bigbluebutton/bigbluebutton into merge-polling-with-master
i - fix issue where user cannot leave voice conference when clicking on headset icon
Merge branch 'merge-polling-with-master' of github.com:bigbluebutton/bigbluebutton into merge-polling-with-master
 - leave voice conference when logging out even if the browser hasn't fully redirected away from the client yet
 - fix toolbar icon display when user leaves voice conf using webrtc
 - localize text