ADD: make file version accessible


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5037 42a5c34f-2066-0410-bec5-ba365beb4995
SVN: sync of broken code for future reference


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5038 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: this seems close to working, at least for zero shears


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5039 42a5c34f-2066-0410-bec5-ba365beb4995