Merge branch 'v2.0.x-release' of https://github.com/bigbluebutton/bigbluebutton into video-upstream-errors

Show moderator message header in bold

Delay showing confirmation buttons in WebRTCEchoTest under firefox

Fix ScreenshareViewWindow scroll-bars in original video size mode

Add screen to when the meeting is closed.

Fix audio loss on locale change

Fix alpha value for ScreenshareViewWindow change display button

Switch webcamsOnlyForModerator on and off

 - fix issue where muteOnStart doesn't work when set in bigbluebutton…

Hide fullscreen option for iOS devices

Fix Invalid prop 'children[2]' supplied to `DropdownList`

[HTML5 Client] Fix for reopening private chat after using X button

Updated Meteor to 1.6.0.1

Fix toolbar components alignment and localisation update