9101: Survey: New profile yes/no/abstention

.../src/main/scala/org/bigbluebutton/core/models/Polls.scala

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

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

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

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

...s/ui/components/whiteboard/annotations/poll/component.jsx

bigbluebutton-html5/private/locales/de.json

bigbluebutton-html5/private/locales/en.json