Start of sprite sheet

this sprite sheet was made for testing primarily.  Includes an player
sprite, a ball sprite, and a block.
Sprite sheet additions

Player standing, Player forward, Player backward, and shapes present in
this submission.
Spritesheet.pxm

Added the pixelmator version of the sprite sheet to the branch.
Cleaned up sprite sheet

removed some random marks on sprite sheet
Merge branch 'Neal'
Merge branch 'master' of https://github.com/djragsdale/hackathon