Updates:
-Added new key commands
  'r' rotates the eye counterclockwise
  'R' rotate the eye clockwise
  'd' disables drawing of the scene
  'D' enables drawing of the scene
  'v' views the scene from an offset from the camera and shows the camera location

-Added direction arrows to the axes.
-Added text annotation to the axes.
-Changed the display of the axes so that they travel with the "at" point and act as a 3D compass
  to assist in future navigation.
-Moved the initial eye position so that the rendered scene is right-handed.
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Current bugs:

-Java and Processing have slightly different matrix transformations, which is interfering
  with placement of text in the scene when changing operating environments.

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