Delete Controller.java

I'm replacing this with GameDriver.
Delete Area.java

I did this logic in Entity.move().
Delete Human.java

It's not worth differentiating Humans and Zombies quite yet, we can reinstate this later.
Delete Zombie.java

It' not worth differentiating Humans and Zombies yet, we can reinstate this later.
Create GameDriver.java

This class owns the view and the model and has classes that act as the controller
Update Direction.java

Added support for random generation and integer conversion
Update Entity.java

Added support for moving.
Update GameGUI.java

added support for drawing squares, moved the BufferedImage subclass into its own file
Create GameBufferedImage.java

moved this class out of GameGUI, added ability to draw squares
Create Model.java

serves as our model class, wraps a boolean grid and an arraylist of entities
New Model cnstr., other goodies
Merge pull request #1 from JIsnor/Benji-Branch

Benji branch