begins major refactor for new collision detection
merge branch chris
adds z axis for layering independent of render order, fixes tree layering
quick fix for tree overlaying menu bug
tree stuff
adds animated sprites and static sprites
refactoring and animation updates
merge and refactor (still broken)
refactoring
blah
merge and atlas maker and mob
kill the mobs!!! oh and spawning...
lighting and some bug fixes
Incomplete Commmit just so that I can merge with Ryan:)
Ryan's new lighting and bug fixes!