Adding new interactive orientation test.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@501 c67418bc-a6eb-11de-8ba5-91705c1537ed
Mostly cosmetic changes, except setBasis() now sets all three base vectors.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@502 c67418bc-a6eb-11de-8ba5-91705c1537ed
Another minor cosmetic change.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@503 c67418bc-a6eb-11de-8ba5-91705c1537ed
Some bug fixes.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@504 c67418bc-a6eb-11de-8ba5-91705c1537ed
Corrections for handedness. Change default to right-handed.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@505 c67418bc-a6eb-11de-8ba5-91705c1537ed