Änderungen

Summary

1. more fixes and usage of EventListener (commit: 023a6b8) (details)

Commit 023a6b83651e57ea005f19047f0c5fd60d1bd1a5 by frotty more fixes and usage of EventListener (commit: 023a6b8)
	wurst/items/ShieldKit.wurst (diff)
	wurst.build (diff)
	wurst/items/FieldGenerator.wurst (diff)
	wurst/war3map.j (diff)
	wurst/towers/ArtilleryTower.wurst (diff)
	wurst/items/Rocket.wurst (diff)
	wurst/towers/Destroy.wurst (diff)
	wurst/items/SuperCharge.wurst (diff)
	wurst/Creeps/UnitSpawnSystem.wurst (diff)