[Graeme] Moved constants to fixture.
Merge commit '9b2ad83'

Conflicts:
	src/java/test/com/bt/refactoring/CustomerTest.java
	src/java/test/com/bt/refactoring/Fixture.java
Fixed issues following merge of 9b2ad83 (Moved constants to fixture). This is the completed refactoring, of the original version of the refactoring kata.