Fixes issue 36 from https://github.com/patricklam/JudoDB:

Display the list of clubs in the widget for entering new clients
	modified:   src/ca/patricklam/judodb/client/ClientData.java
	modified:   src/ca/patricklam/judodb/client/ClientWidget.css
	modified:   src/ca/patricklam/judodb/client/ClientWidget.java
	modified:   src/ca/patricklam/judodb/client/ClientWidget.ui.xml
	modified:   src/ca/patricklam/judodb/client/JudoDB.java
	modified:   src/ca/patricklam/judodb/client/ListWidget.java