Create plrDir and constants

RIGHT = 0 and LEFT = 1
When walking east plrDir = RIGHT, and so on...
Add gfx files to the resources folder
Add psp7 stuff to resources
Delete unecess. files
Revert "Create plrDir and constants"

This reverts commit 066994211b7e291572bf72cc0c1857b22388eb5e.
Merge pull request #12 from hang-on/Reform-graphics

Reform graphics