grafx - Extensible Java Graphics Package Code

Adding ComputerPlayer. Still working on it.

Making a correction with regards to potential array index oob.

Adding add() with non-array input. BlockoutEventQueue.

Emptying user input queue before passing new block starts event, so that
computer player can start moving the block immediately.

Creating run_printMovePredictions() for the print statements. This is
temporary.

Improving BlockoutEventQueue a little bit.

My program can pass this level. It's EXTREMELY difficult to pass.

Making the impossible 6-er level even harder. My program still passes this on
a regular basis. It fails when I fail to obey its orders. Interesting.

Upping SQRT_COVERED_HOLE_METRIC from 1.4 to 1.7. I think it's good now. It
definitely is working, I see this, because it won't hesitate to make lots of
holes in a layer if that layer already has lots of holes.

Now trying to use sqrtCoveredHoleMetric().