Merge pull request #3428 from mmarangoni/html5-stun-audio

...button-client/resources/prod/lib/bbb_webrtc_bridge_sip.js

...l5/imports/api/meetings/server/modifiers/eventHandlers.js

bigbluebutton-html5/imports/api/phone/index.js

bigbluebutton-html5/imports/api/phone/server/getStun.js

...html5/imports/api/phone/server/modifiers/eventHandlers.js

...on-html5/imports/api/users/server/modifiers/userJoined.js

bigbluebutton-html5/imports/startup/server/redis.js

...mports/ui/components/actions-bar/audio-menu/container.jsx

...ton-html5/imports/ui/components/actions-bar/component.jsx

...ts/ui/components/audio-modal/audio-settings/component.jsx

...ton-html5/imports/ui/components/audio-modal/component.jsx

...mports/ui/components/audio-modal/join-audio/component.jsx

...ports/ui/components/audio-modal/listen-only/component.jsx

...utton-html5/imports/ui/components/audio-modal/styles.scss

...uebutton-html5/imports/ui/components/button/component.jsx

bigbluebutton-html5/imports/ui/components/button/styles.scss

...button-html5/imports/ui/components/modal/base/styles.scss

...utton-html5/imports/ui/stylesheets/variables/general.scss

bigbluebutton-html5/private/config/server/redis.yaml

bigbluebutton-html5/public/resources/images/allow-mic.png