Bumping release version

Increase the call connect delay

Also, only apply the delay to Firefox

Merge pull request bigbluebutton#6187 from ritzalam/delay-removing-us…

…er-when-leaving

Delay removing user when leaving

Update bigbluebutton-release

Merge pull request bigbluebutton#6024 from riadvice/fix-chrome-extens…

…ion-link-update

Fix chromeExtensionLink restore in bbb-conf

Pulled HTML5 locales aug 15; Fix for locale switch edge case (bigblue…

…button#5984)

Merge pull request bigbluebutton#5947 from antobinary/test-5946

Pulled locales for HTML5 client 2018-07-31

Added blank pages for whiteboard

 - snapshot tag for dcs 2.x

Merge pull request bigbluebutton#4511 from kepstin/bbb-20-rec-fixes

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