Merge branch 'develop' into 9101_add_poll_abstention_for_branch_develop

...-web/src/main/java/org/bigbluebutton/api/domain/User.java

...imports/api/annotations/server/handlers/whiteboardSend.js

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

...mports/api/group-chat-msg/server/modifiers/startTyping.js

...l5/imports/api/users/server/handlers/validateAuthToken.js

...ton-html5/imports/api/users/server/methods/userLeaving.js

...html5/imports/api/users/server/methods/userLeftMeeting.js

...ml5/imports/api/users/server/methods/validateAuthToken.js

bigbluebutton-html5/imports/api/users/server/publishers.js

...ebutton-html5/imports/startup/server/ClientConnections.js

.../components/actions-bar/quick-poll-dropdown/component.jsx

...luebutton-html5/imports/ui/components/audio/container.jsx

bigbluebutton-html5/imports/ui/components/audio/service.js

...ml5/imports/ui/components/chat/message-form/container.jsx

...html5/imports/ui/components/chat/message-form/styles.scss

...rts/ui/components/nav-bar/talking-indicator/container.jsx

...utton-html5/imports/ui/components/presentation/service.js

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

...ui/components/settings/submenus/application/component.jsx

...n-html5/imports/ui/components/video-preview/component.jsx