starting ghost mode
add pacman style
make after fragment modifications
animated ghost
merge with master
merged with master
ghost sprite demo
added animated sprite strip support
initial moving of render loop into scene
Merge branch 'master' into renderloop
add pre-render and post render hooks
tests: disable render loop temporarily (requestAnimationFrame issue? intermittently locks/crashes karma)
remove demo tiles (whoops)
remove requestAnimationFrame polyfill
remove stray line
Merge pull request #45 from tangrams/renderloop

Automatically setup the render loop
update demo links
Merge branch 'master' into sprites
updated sprites
cleanup stylesheet