add reference to the controller to MoneyHandler
Merge commit 'b73660988ea1f1d7dc0b722df58247e8716c8287' into architecture

Conflicts:
	src/test/java/ch/zhaw/id5848/parkingmeter/core/ParkingMeterControllerTest.java
fix tests
Merge branch 'master' into timeMoneyCalculator

Conflicts:
	src/main/java/ch/zhaw/id5848/parkingmeter/core/ParkingMeterController.java