Merge branch 'implement-meeting-inactivity-timer' of https://github.com/ritzalam/bigbluebutton into ritzalam-implement-meeting-inactivity-timer

Merge latest 20 branch

Update hardware acceleration warning style and help page

Improvements to Breakouts on HTML5

 - check if chat message is available to prevent NPEs

Merge branch 'client-type-get-meetings' of https://github.com/antobinary/bigbluebutton into antobinary-client-type-get-meetings

Fix #5725

Bump version to RC1

Fixed typo

Improve checking of webhooks and ffmpeg

fix HT slide title

Update bbb-conf

One more step for upgrade ffmpeg

Merge BBB 2.0 recording fixes into 2.2 branch as well

RaP: Don't error on pencil drawings with 0 dataPoints