adds popup notifications test spec (not considering errors notifications)

adds required test variables to .env-template with empty values

Fix presenter indicator problem in Safari / Opera 

Add BBB version to html5 issue template

Co-Authored-By: Anton Georgiev <antobinary@users.noreply.github.com>

This would be useful for get a notion from wich version it comes happening and which changes can causes the possible bugs.

adds getArgsWithVideo() to page.js and renamed the screensharing test spec file

adds notifications test (saved settings/private and public chat)

adds screensharing test

adds share/load/check webcams test specs with multi users

adds audio emulation and mute other user test considering isTalking indicator #12

Move quick poll button to presentation tool bar

Replace use of $ jquery with javascript in webcam-draggable-overlay

We removed jquery in BBB 2.2.x as it was not used. Here we have an easy
replacement for jquery in the face of pure javascript. This way we do
not need to re-import jquery package as dependency.

Fix client crash race condition with presentation pods

Fix client crash when client is unsecured

Sort private chat messages by last activity