Fixed ship wobble, added cloak, shooting, health
Bullets now on life timer, improved enemy aim
Merge remote-tracking branch 'Raptor/topdown' into ericsleveldesign

Conflicts:
	Assets/Prefabs/Raptor Prefabs/EnemyShip.prefab
	Assets/Prefabs/Raptor Prefabs/PlayerShip.prefab
	Assets/Scenes/shiptest.unity
	ProjectSettings/Physics2DSettings.asset
	ProjectSettings/TagManager.asset