fix for issue #350
better to access _vf via .
fixed two broken nodes (integrity can easily be checked with dumpNodeTypeTree.html)
fixes issue #385
some more helpful error messages
Update VERSION
Adapted links to BVHRefiner exe and source
Merge branch 'master' of https://github.com/x3dom/x3dom
Adapted for reference image for regression test suite
Regression test for clip plane
Added reference images for particle set regression test
Small TwoSidedMaterial Shader fix
some comment fixes
Adapted VERSION for release
back to dev version
fixed testfile
fixed condition in SFMatrix4f.getEulerAngles
fix
Handled modifications of the Color field in the ElevationGrid#fieldChanged method
Added copyright notice.