Mouse

Mouse added ready to compile ;)
Merge branch 'Test' of https://github.com/Catching-Game/Catching-Game into Test

Conflicts:
	KPROG-Projekt/GameWorld.class
	KPROG-Projekt/GameWorld.ctxt
	KPROG-Projekt/Tree.ctxt
	KPROG-Projekt/XML_Map_Reader.class
	KPROG-Projekt/XML_Map_Reader.ctxt
	KPROG-Projekt/project.greenfoot