Added CSS modules support and adjusted the userlist to work with encapsulated Sass.

bigbluebutton-html5/.meteor/packages

bigbluebutton-html5/.meteor/versions

bigbluebutton-html5/client/main.jsx

bigbluebutton-html5/imports/ui/userlist/UserList.jsx

bigbluebutton-html5/imports/ui/userlist/UserListItem.jsx

bigbluebutton-html5/imports/ui/userlist/users.scss

bigbluebutton-html5/package.json