fixed the mutebtn in the users itemrenderer to be included in the layout
Merge pull request #111 from SenecaCDOT-BigBlueButton/fix-kick-user-button

fixed the mutebtn in the users itemrenderer to be included in the layout
 - need to clean up scopes properly and try to minimize dependency on scope lifecycle
fix setting h264 level
 - Fix NPE when removing voice conference when all users have left
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
 - remove extra parameters when connecting to bbb-apps
 - display multiple resolutions for all users
Merge remote branch 'upstream/master' into fix-video-dock