Projectile shooting

The player shoots the projectiles into the direction he is looking at
Merge branch 'player' of https://github.com/moritzschaefer/back-to-earth into player
Merge remote-tracking branch 'origin/master' into player
Mergen der Änderungen aus Master in Player
Merge remote-tracking branch 'origin/master' into player
Projectile
Projectiles
Merge remote-tracking branch 'origin/player'

Conflicts:
	unity/Assets/MovementScene.unity
	unity/Assets/Projectile/Projectile.cs
	unity/Assets/Projectile/Projectile.prefab
	unity/Assets/Scripts/enemys.meta