Added branch labels to instructions
Graphics import settings
Sprites Split
Created player prefabs
Rename player prefabs
Add galaga player 2
Add space invaders aliens 1 + 2
3 SI + 10 Galaga alien prefabs
Alien animation script
Merge branch '05-AlienAnimation' of https://github.com/GeekyMonkey/ScratchyUnitySpaceInvaders into 05-AlienAnimation