Added the game zedinvaders. Thanks Salvatore for the notice.
Merge branch 'master' of https://github.com/Tumas/games
Merge branch 'master' of https://github.com/ruscoe/games
Merge branch 'patch-1' of https://github.com/vlaube-de/games
Merge branch 'patch-1' of https://github.com/varunpant/games

Conflicts:
	README.md
Merge branch 'master' of https://github.com/leereilly/games
Merge pull request #25 from mdtrooper/master

Added the game zedinvaders. Thanks Salvatore for the notice.