Added extra tile state and printing of level state to console

We can now have depressed tiles.

And a rather mundane level editor that outputs the level data to console.
Output level data in better format
Broken up a tiles update method

This is so it's easier to understand what is going on
Merge branch 'master' of https://github.com/ginja85/LudumDare31

Conflicts:
	src/scripts/game.coffee
Made levels an array of objects

These objects contain the level data, and optional setup and cleanup
callbacks.
New chest artwork
Change the level on reaching the chest

When the player collides with the chest object trigger the updating of the
level.