Shared notes unread indicator

...-html5/imports/api/captions/server/modifiers/updatePad.js

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

bigbluebutton-html5/imports/api/note/server/eventHandlers.js

...utton-html5/imports/api/note/server/handlers/padUpdate.js

bigbluebutton-html5/imports/api/note/server/helpers.js

bigbluebutton-html5/imports/api/note/server/index.js

...button-html5/imports/api/note/server/modifiers/addNote.js

...ton-html5/imports/api/note/server/modifiers/updateNote.js

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

...s/ui/components/user-list/user-list-content/component.jsx

...ents/user-list/user-list-content/user-notes/component.jsx

...ents/user-list/user-list-content/user-notes/container.jsx

...onents/user-list/user-list-content/user-notes/styles.scss