new images

 On branch master

	modified:   assets/images/ipad-2.png
	new file:   assets/images/pinfinity-freedom-video.jpg
	new file:   assets/images/pinfinity-tutorial-video.jpg
	new file:   assets/images/video_play.png
	modified:   index.html
lightbox for videos

 On branch master

	new file:   assets/scripts/jquery-1.9.1.min.js
	modified:   index.html
layout updates for tablets

 On branch master

	modified:   index.html