Removing recording code used in the past for recording to file via FS. obsolete as we now record in red5

Merge branch 'html5client-mod-verto-addition' of github.com:perroned/bigbluebutton into webrtc-desktop-temp-4

Conflicts:
	akka-bbb-apps/src/main/scala/org/bigbluebutton/Boot.scala
	akka-bbb-apps/src/main/scala/org/bigbluebutton/core/BigBlueButtonActor.scala
	akka-bbb-apps/src/main/scala/org/bigbluebutton/core/BigBlueButtonInGW.scala

Conflicts:
	bigbluebutton-html5/app/client/globals.coffee
	bigbluebutton-html5/app/client/stylesheets/mixins.less
	bigbluebutton-html5/app/client/stylesheets/whiteboard.less
	bigbluebutton-html5/app/client/views/chat/chat_bar.html
	bigbluebutton-html5/app/client/views/modals/settings.html
	bigbluebutton-html5/app/client/views/whiteboard/whiteboard.coffee
	bigbluebutton-html5/app/client/views/whiteboard/whiteboard.html
	bigbluebutton-html5/app/server/collection_methods/meetings.coffee
	bigbluebutton-html5/app/server/redispubsub.coffee

Add set presenter to HTML5

Add Kick user to HTML5

html5client:clear slide when presenter removes current presentation

html5client: reworked viewing slide change; moved the cursor out of Presentation collection

force display of slide even if .rendered does not trigger. Will need to decouple pointer coord from Presentation

 - cancel the message sending task when it takes a long time to compl…

 - fix where 2 events are recorded in redis for each voice event.

Conflicts:
	record-and-playback/core/scripts/bigbluebutton.yml

HTML5 client: redesigned mobile navbar and offset menus + small mobile view adjustments.