move the HTML5 client code outside of labs

bigbluebutton-html5/.gitignore

bigbluebutton-html5/Gruntfile.js

bigbluebutton-html5/app/.meteor/.finished-upgraders

bigbluebutton-html5/app/.meteor/.gitignore

bigbluebutton-html5/app/.meteor/.id

bigbluebutton-html5/app/.meteor/cordova-plugins

bigbluebutton-html5/app/.meteor/packages

bigbluebutton-html5/app/.meteor/platforms

bigbluebutton-html5/app/.meteor/release

bigbluebutton-html5/app/.meteor/versions

bigbluebutton-html5/app/client/globals.coffee

bigbluebutton-html5/app/client/lib/.gitignore

bigbluebutton-html5/app/client/lib/bbb_api_bridge.coffee

...ebutton-html5/app/client/lib/custom.bootstrap.import.less

bigbluebutton-html5/app/client/lib/custom.bootstrap.json

bigbluebutton-html5/app/client/lib/scale.raphael.js

bigbluebutton-html5/app/client/main.coffee

bigbluebutton-html5/app/client/main.html

bigbluebutton-html5/app/client/stylesheets/chat.less

bigbluebutton-html5/app/client/stylesheets/mixins.less