Merge pull request #4788 from antobinary/audio-work-3

.../imports/api/voice-users/server/handlers/joinVoiceUser.js

.../imports/api/voice-users/server/handlers/leftVoiceUser.js

...luebutton-html5/imports/api/voice-users/server/methods.js

...orts/api/voice-users/server/methods/ejectUserFromVoice.js

...uebutton-html5/imports/ui/components/user-list/service.js

...s/user-list/user-list-content/user-messages/component.jsx

...er-list/user-list-content/user-participants/component.jsx

...st-content/user-participants/user-list-item/component.jsx

bigbluebutton-html5/private/config/public/acl.yaml

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