findNextEmpty
Finished
Merge branch 'master' of https://github.com/padraig/CarPark

Conflicts:
	CarPark/build/built-jar.properties
	CarPark/build/classes/carpark/Car.class
	CarPark/build/classes/carpark/MenuBar.class
	CarPark/build/classes/carpark/ParkingSpace.class
	CarPark/dist/CarPark.jar
	CarPark/nbproject/private/private.xml
	CarPark/src/carpark/Car.java
	CarPark/src/carpark/CarParkGUI.java
	CarPark/src/carpark/MenuBar.java
	CarPark/src/carpark/ParkingSpace.java