Fixed an obscure weird bug which appears when the atomistic_skinned geometry is not carefully specified. Now, atomistic_skinned is purely optional and will improve performance if used right, but not influence the result anymore (as should be)
git-svn-id: file:///home/space/repositories/SimulPack/users/junge/dev/cadd_mesher@8700 28b56a54-94b5-4a2e-9559-f630c712dba0