Merge pull request #4426 from OZhurbenko/presenter-functionality-2x

...orts/api/2.0/annotations/server/methods/sendAnnotation.js

...s/api/2.0/meetings/server/modifiers/changeLockSettings.js

...ports/api/2.0/meetings/server/modifiers/changeUserLock.js

...entations/server/handlers/presentationConversionUpdate.js

...pi/2.0/presentations/server/methods/removePresentation.js

...s/api/2.0/presentations/server/methods/setPresentation.js

...html5/imports/api/2.0/slides/server/modifiers/addSlide.js

...l5/imports/api/2.0/slides/server/modifiers/resizeSlide.js

...utton-html5/imports/api/2.0/users/server/eventHandlers.js

...html5/imports/api/2.0/users/server/handlers/changeRole.js

bigbluebutton-html5/imports/api/2.0/users/server/methods.js

...-html5/imports/api/2.0/users/server/methods/changeRole.js

bigbluebutton-html5/imports/ui/components/chat/component.jsx

...html5/imports/ui/components/closed-captions/component.jsx

...html5/imports/ui/components/closed-captions/container.jsx

...ml5/imports/ui/components/notifications-bar/component.jsx

...ebutton-html5/imports/ui/components/polling/component.jsx

...on-html5/imports/ui/components/presentation/component.jsx

...on-html5/imports/ui/components/presentation/container.jsx

...5/imports/ui/components/presentation/cursor/component.jsx