Funky level setup animations

When the level comes into play, now all the blocks raise into position

In theory, changing whether a block collides or not should make it
animate into the corresponding position
Merge branch 'master' of https://github.com/ginja85/LudumDare31

Conflicts:
	src/scripts/game.coffee
Add new player sprite and animation

Add spritesheet for player character and animate walking left and right.