flappy dead: fix invert firefox and ms
add todo
fix play/stop/pause buttons
cursor: pointer for adding/removing blocks
add a genuine start tile, just like the other tiles
start action is a first class citizen
circle-arrow is nicer than arrow
simplify level object
dynamic title/description for factory
styling for adding/removing tiles
we can create locked tiles, which the user will not be able to remove, rejoice
Merge branch 'master' into gh-pages
compile