Fix enter API parsing and cleaned up the ChatTab

(keeping it only in the optional Feedback which is disabled by default)

Only process chat msgs when requested from html5

Remove old folders references of .gitignore file.

Fix weird number in breakout user counter

Fixed typo in updating settings.yml

Merge branch 'track-user-register-join' of https://github.com/ritzalam/bigbluebutton into ritzalam-track-user-register-join

Merge branch 'bbb-conf-clean' of https://github.com/riadvice/bigbluebutton into riadvice-bbb-conf-clean

Merge branch 'flash-deprecation' of https://github.com/riadvice/bigbluebutton into riadvice-flash-deprecation

Fix bbb conf 32

Refactoring to bbb-conf shell script application for 2.2

Add cache busting to JS files that were missing it

Add message to share YouTube modal

Add transfer DTMF resend for Firefox users

Closes #7028

Update inactivity modal

Fix few breakout  room bugs.

Change as mime types are coded

Pulled html5 locales March 14, 2019