Merge pull request #8235 from jfsiebel/update-annotations-streamer

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

...orts/api/annotations/server/handlers/whiteboardCleared.js

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

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

...uebutton-html5/imports/api/annotations/server/streamer.js

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

...-html5/imports/api/cursor/server/handlers/cursorUpdate.js

bigbluebutton-html5/imports/api/cursor/server/streamer.js

...mports/api/meetings/server/handlers/meetingDestruction.js

...html5/imports/api/meetings/server/modifiers/addMeeting.js

.../imports/api/meetings/server/modifiers/meetingHasEnded.js

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

...n-html5/imports/ui/components/subscriptions/component.jsx

...ebutton-html5/imports/ui/components/whiteboard/service.js