grafx - Extensible Java Graphics Package Code

Made huge progress on ComputerPlayer last night, but wasn't able to commit.

Switching 's' and 'w' keys again.

Adding comment related to possibility of translations in direction Z_AXIS.

Don't support translation in direction Z_AXIS.

Adding comments to UserInput, esp. with regards to directions of axes.

Changing the "yy" rotation to "zz-x-x".

Commenting out the creation of those 7-er blocks which takes a while and causes
a bunch of output.

Plugging in ComputerPlayer, basically.

Removing references to net.blockout.impl.TempNextBlockAccess.

Remove the computer player system output. This was moved into ComputerPlayer.