*animate chomps
*offset entire grid downwards to allow space for a header
*add images
*award points for stuff
*show score up the top
*animated points gaining (text fading out)
*touch events:
* touchstart: a finger is placed on a DOM element.
* touchmove: a finger is dragged along a DOM element.
* touchend: a finger is removed from a DOM element.
Rob Pearce