regel-verbesserung
Merge branch 'master' into development

Conflicts:
	de.htwg.se-KaeseKaestchen/src/de/htwg/se/kaesekaestchen/controller/IKaeseKaestchenControl.java
	de.htwg.se-KaeseKaestchen/src/de/htwg/se/kaesekaestchen/model/PlayField.java