grafx - Extensible Java Graphics Package Code

Adding more strategies to LinearityOfZ.

Updating ELEVATION.txt.

Making some major corrections.

Updating LaunchTextDisplayArea slightly.

Updating reflection.png to have a caption.

Progress on LinearityOfZ.

Revising LinearityOfZ.

My analysis may be off because this seems to be a straight line.

Adding LinearityOfZ.

Adding new TODO item.