No important changes

Changed start and endscreen to the better filePath
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/jade/core/World.java
Simplified code structure in Player

Mehrere try-cath Blöcke durch einen großen ersetzt in der
randomlyDropItem Methode
expired Monsters cant attack anymore

Changed world .tick()
fixed bug in Player. fight(), that led to double damage of the player.
Changed Itemtype of dropping Items
added Items for Zombie and Unbeliever
Merge