continued menu
Merge branch 'master' of https://github.com/Bregi/SvenBregiSokoban
started diamond move implementation
continued moving of diamonds
Merge branch 'master' of https://github.com/Bregi/SvenBregiSokoban

Conflicts:
	src/main/java/ch/bfh/ti/projekt1/sokoban/controller/AbstractController.java
	src/main/java/ch/bfh/ti/projekt1/sokoban/controller/GameController.java
	src/main/java/ch/bfh/ti/projekt1/sokoban/view/StartMenuView.java
	src/main/java/ch/bfh/ti/projekt1/sokoban/view/StartScreen.java
continued moving of diamonds and changeing state if diamond is moved onto a goal