save user mapping to memory db before trying to save on redis to avoid inconsistency on the next event

Fix Flash reconnect attempts

Stop HTML5 ejecting from voice on reconnect and fix voice user creation

Temporary fix until we update the calculation of the pool size

[Flash] disable the webrtc audio stats

 - check to make sure user is not kicked out of voice conference even…

   flash client auto-reconnects.

Fix for bug in preview not working for students

Fix breakout rooms buttons visibility for moderators

Fix PR #6122

Log exception stack trace in presentation conversion classes using error scope

Increase the ICE negotiation timeout from 5 to 10s

Fix the tooltips for the screenshare type buttons

Make bbb-webrtc-sfu connect to Kurento using multiple websockets and other assorted improvements

Add process handler to image conversion in SvgImageCreatorImp.java

Added onunmute listener to MediaStreamTrack

Improve handling of slides failing to load (tomcat memory issues)

 - changing aliases to use meeting_id_2 instead of meeting_id_1 just in case we need to make the URL params different

Merge branch 'v2.0.x-release' of github.com:bigbluebutton/bigbluebutton into improve-log-on-presentation-conversion