grafx - Extensible Java Graphics Package Code

Tweaking the weights. The eval() function is doing a fairly decent job now.
It's time to add the a.i. which will eval() different possibilities and cause
block to rotate/translate in the desired manner. That part is relatively
straightforward.

Finish the final eval() with weights.

Finished bowlMetric(), corrected the upper bound (made it more accurate),
added some comments, and scaled/cubed correctly to be a better representation.

Making progress on bowlMetric().

Progressing very well on bowlMetric().

Adding nookAndCrannyMetric(), added last night didn't commit.

Working on holeMetric().

Starting work on holeMetric().

Calculating a rudimentary heightMetric().

Moving EvalFunction from meta to impl.