Merge branch 'development' of https://github.com/pedrobmarin/bigbluebutton into pedrobmarin-development

Conflicts:
	bigbluebutton-apps/src/main/scala/org/bigbluebutton/core/MeetingActor.scala
	bigbluebutton-apps/src/main/scala/org/bigbluebutton/core/apps/users/UsersApp.scala
	bigbluebutton-apps/src/main/scala/org/bigbluebutton/freeswitch/FreeswitchConferenceActor.scala
	bigbluebutton-client/src/org/bigbluebutton/modules/videoconf/business/VideoProxy.as

Translate poll answers

Update polling modal

 - set the font of polling to arial

 - change the background color of poll result and size of window

 - hardcode poll result display position on server side so different …

 - hardcode poll result display position on server side so different clients won't have to recalculate
   position

Add num responders

 - only remove stream if present

 - handle number of responders in client

remove the hardcoded poll whiteboard position

 - add more logging to determine who detects the disconnect first

Add num responders

Merge branch 'development' of https://github.com/bigbluebutton/bigbluebutton into add-num-responders

 - put message sender and recorders into actors to isolate meeting ac…

Remove poll button when the Polling Module isn't running

Improved .gitignore files with better patterns.

Fix issue 1964 - Meeting name label truncation