grafx - Extensible Java Graphics Package Code

Changing qSearchBreadth from 32 to 16. I think I may need to optimize the new
CoveredHoleMetric a little bit.

Now going to test new CoveredHoleMetric function.

Finished CoveredHoleMetric. Now to plug it in.

Fixing another small bug in computation of total, forgot to cast int to double.
In CoveredHoleMetric.

Fixing one little issue by negating canPlugHoleWithoutPlacingCubeAbove().

Making progress on actual judgePit() function in CoveredHoleMetric.

Adding another kickass comment describing a very interesting scenario, in
CoveredHoleMetric.

Working on the comments at the beginning of CoveredHoleMetric. This is looking
pretty good now.

Changing little tidbits in CoveredHoleMetricUtils. Nearing completion.
Proofread but untested.

Moving canPlugHoleWithoutPlacingCubeAbove() to CoveredHoleMetricUtils, starting
to clean up CoveredHoleMetric.