updated jshint
	modified:   app/index.html
	modified:   app/scripts/app.js
	new file:   app/scripts/controllers/headroom-ctrl.js
	new file:   app/scripts/my-headroom.js
	new file:   app/styles/animated.css
	new file:   app/styles/headroom.css
	new file:   app/views/headroom-js.html

extend the class headroom.js