Add constant.h to define all project constant in one file.
Adapt the main and the Makefile to take care of constant.h.
Add multiple choices in option menu. Menu is ready ( in program maybe add some functionnality ).
Add graphics.c and .h to create functions to take care about sprite.
Merge branch 'master' of https://github.com/Daisuki91/esieagame

Conflicts:
	test.c~