Merge pull request #635 from perroned/bridge-construction

bigbluebutton-html5/app/client/globals.coffee

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

bigbluebutton-html5/app/client/main.coffee

bigbluebutton-html5/app/client/views/chat/chat_bar.coffee

bigbluebutton-html5/app/client/views/users/user_item.coffee

bigbluebutton-html5/app/client/views/users/user_list.coffee

...luebutton-html5/app/client/whiteboard_models/utils.coffee

...luebutton-html5/app/server/collection_methods/chat.coffee

...uebutton-html5/app/server/collection_methods/users.coffee