Includes a minimal authentication step before SFU connections

.../src/main/java/org/bigbluebutton/api/util/ParamsUtil.java

bigbluebutton-client/resources/prod/lib/kurento-extension.js

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

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

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

bigbluebutton-html5/imports/ui/services/auth/index.js

bigbluebutton-web/bbb-web.nginx

...-app/controllers/org/bigbluebutton/web/UrlMappings.groovy

...bigbluebutton/web/controllers/ConnectionController.groovy