RadarVolume update. Many changes to handle all known conditions.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk@2415 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Removed RadarVolumeExample ray adjustment.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk@2416 822214bb-dcf7-4c8d-a767-17ae0fb20d88