Delete the option "presenterShareOnly" in favor of lock settings

[HTML5] - Userlist accessibility improvement

[HTML5] - Change the format of locale strings

Merge branch 'userlist-accessibility' of github.com:KDSBrowne/bigbluebutton into userlist-accessibility

HTML5: Auto allow benign actions (logoutSelf); Disallow meteor calls if credentials are null

Fix unselectable 'Choose Language' and fallback lang error.

Map presenterShareOnly options to lock settings. (reverted from commit 450c5d28)

[HTML5] Text Shape 2.0

Fix the lock user icon status

Hide Temasys Popup Fixes #3942

 HTML5 - added locked status for users  

Tested, seems fine

Tested, seems to work fine

HTML5: Fix issue with userLeave on breakout end

Demos: Allow username only logins (for demo purposes)