some cleanup
some cleanup

git-svn-id: acbe123497fb639d8fa3042f98bb99ba2f24381a@2 7918b674-7eb5-4f1b-901b-2027da7c8861

UniStuttgart-VISUS/megamol,UniStuttgart-VISUS/megamol,UniStuttgart-VISUS/megamol,UniStuttgart-VISUS/megamol,UniStuttgart-VISUS/megamol