Built all of the infrastructure for the HallOfFame singleton. Added a bunch of unit tests and new classes. Also added the new code that will be used for replacing the Question class with an interface, abstract class, and polymorphism (plus a Factory Method design pattern). This will help our code move toward sustainable design and best practices.
Merge origin/master

Conflicts:
	src/mathgame/Gamer.java
(Taking Jesse's updated version of the code.)