Split tests for Iterators and Circulators, added test for FaceIter with skipping
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@423 fdac6126-5c0c-442c-9429-916003d36597
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@423 fdac6126-5c0c-442c-9429-916003d36597