HTML5 - changes status names, and user list sorting logic to match flash client

bigbluebutton-html5/client/stylesheets/bbb-icons.css

...mports/ui/components/actions-bar/emoji-menu/component.jsx

...uebutton-html5/imports/ui/components/user-list/service.js

bigbluebutton-html5/imports/utils/statuses.js