Merge pull request #7 from CoryG89/master

Merging master branch
Merge pull request #9 from CoryG89/master

Pull Req 03.29.13
Merge pull request #10 from CoryG89/master

Minimum Target Pull Request
Merge pull request #13 from CoryG89/master

Adding enemy logic, respawning, etc.
Merge pull request #14 from CoryG89/master

Replacing floor texture
Merge pull request #15 from CoryG89/master

Cleanup Pull Request
commitng upstream pull to fork
Added metal and wooden crates and platforms. Surrounded gameplay axis with invisible walls to prevent deviation from 2D axis
Merge pull request #16 from jgkane2119/master

Object additions