Merge pull request #5842 from prlanzarin/audio-video-ss-stun-turn

...luebutton-html5/client/compatibility/kurento-extension.js

...uebutton-html5/imports/api/audio/client/bridge/kurento.js

bigbluebutton-html5/imports/api/audio/client/bridge/sip.js

...on-html5/imports/api/screenshare/client/bridge/kurento.js

...button-html5/imports/ui/components/screenshare/service.js

...-html5/imports/ui/components/video-provider/component.jsx

...-html5/imports/ui/components/video-provider/container.jsx

...ton-html5/imports/ui/components/video-provider/service.js

bigbluebutton-html5/imports/utils/fetchStunTurnServers.js

bigbluebutton-html5/private/config/settings-development.json

bigbluebutton-html5/private/config/settings-production.json

labs/bbb-webrtc-sfu/lib/audio/AudioManager.js