Completed CSSE375 Milestone 4

made resources into actual resources (#56)

* made resources into actual resources

* updated tests

* updated build.xml

* proxed the piece images

* updated the build

* build

* build

* fixed build

Completed CSSE375 Milestone 4

changed the move command constructors to take in a game object and gr…

…ab that data in the abstract class. you still need to manually pass in whose making the move (#55)