monster

dummy monsterunterklasse, sowie möglichkeit für jedes level die
jeweiligen monster aufzurufen
start.txt und end.txt angepasst auf 80x30
deleted WorldReader classs, since it does the same as NewWorld, but Worse
BUGFIX

fixed a bug, that caused Monsters to appear on unpassable Tiles, when
the world is created
Merge branch 'master' of https://github.com/Schachus/adventure-of-umalu into Schachus-master

Conflicts:
	src/rogue/Rogue.java
	src/rogue/creature/Dragon.java
	src/rogue/creature/Monster.java
	src/rogue/level/Level.java