Webrtc 2.0

 - start implementing lock settings

Conflicts:
	bigbluebutton-client/src/org/bigbluebutton/modules/screenshare/managers/WebRTCDeskshareManager.as
	bigbluebutton-client/src/org/bigbluebutton/modules/screenshare/maps/ScreenshareEventMap.mxml
	bigbluebutton-client/src/org/bigbluebutton/modules/screenshare/maps/WebRTCDeskshareEventMap.mxml

 - implement emoji status message

Skip layout change when dimensions are invalid

Restores 1.1 JWS Screensharing on 2.0

Merge branch 'move-chat-messages-2x' of https://github.com/capilkey/bigbluebutton into capilkey-move-chat-messages-2x

Removing old messages

Merge branch 'bbb-2x-mconf' of https://github.com/bigbluebutton/bigbluebutton into implement-meeting-status

Remove screenshare from presentation

[Html5 2.0] Move Sync and Presentations Messages to 2.0