March ray ellipsoid intersection for oblate ellipsoids.
Merge branch 'master' into ellipsoidPrecision
Merge branch 'master' into ellipsoidPrecision
Update based on review.
Update CHANGES.md.
Merge branch 'master' into ellipsoidPrecision

Conflicts:
	CHANGES.md
Merge pull request #1067 from AnalyticalGraphicsInc/ellipsoidPrecision

Ellipsoid precision
Merge remote-tracking branch 'origin/master' into addErrorPanel
Adjust CHANGES.md and allow errors to word-wrap.