[HTML5] - Fix for the React console warnings

Merge branch '2x-browser-detection' of https://github.com/riadvice/bigbluebutton into riadvice-2x-browser-detection

[HTML5] - Follow up on 2.0 -> 1.1 api merge

[HTML 5] Closes breakout room modal when the breakout room are closed

Change listen only for html5

 - do not set listenOnly status when receiving user joined voice event..

   HTML5 client connects with no mic

Refactor BrowserCheck class to store browser data and call the "determineBrowser" external interface method only once.

Handle out of order inserts at the start of a caption stream.

Merge branch 'fix-whiteboard-click-through' of https://github.com/capilkey/bigbluebutton into capilkey-fix-whiteboard-click-through

If you're inserting at position 0 (and there was no previous deleted text
from that position), you can't use the timestamp from the previous character
position, since there's no previous character. Use the timestamp of the
following character instead.

Merge branch '2x-ui-improve' of https://github.com/riadvice/bigbluebutton into riadvice-2x-ui-improve

[HTML5] - Merged 2.0 and 1.1 api folders

Merge branch 'native-locale-name' of https://github.com/riadvice/bigbluebutton into riadvice-native-locale-name

Less spacing between user renderers buttons to avoid showing the horizontal scroll bar while displaying on small screens.

[HTML5] - Add missing en.json strings

Merge branch '2x-client-theme' of https://github.com/riadvice/bigbluebutton into riadvice-2x-client-theme

[HTML5] - add translation files from Transifex

[HTML5] Fix user-list scroll shadow and message list max height