Learnin to spell
RayOrigin calculations now use the BoxCollider2D center point
Merge pull request #3 from bncastle/master

RayOrigin calculations are incorrect when using a BoxCollider2D with a center point that is not (0,0)
killed userprefs file
minor cleanup of demo PlayerTester
Removed unused variable from PlayerTester script.
Merge pull request #5 from Jellybit/patch-1

Removed unused variable from PlayerTester script.