init, but this version of the game is finished.
scoring, better ai
refactoring
refactoring
smooter ball restoration
licensing and formalities
corrections
	modified:   ball.o
	deleted:    collision.o
	deleted:    player.c
	modified:   pong
	modified:   pong.o
Merge branch 'master' of https://github.com/spasoev/pong