Cleaning up.
Restructured the stylesheets.
Fixed the issue with hiding Join Audio Call tooltip on clicking its button.
Got rid of unnecessary inline CSS.
focus on the input box when clicking on a chat tab
Merge branch 'meteor-client-responsive-ui' of github.com:gthacoder/bigbluebutton into meteor-ui-less

Conflicts:
	labs/meteor-client/app/client/stylesheets/landscape/chat.less
	labs/meteor-client/app/client/stylesheets/portrait/chat.less
(redo) Public did not look selected when it was (when private tabs available)