[vtkdata] (4 commits) ...Merging identical branches.

[Axel Thimm]

Summary of changes:

  071872e... Initialize branch F-13 for vtkdata (*)
  5b73d08... Update to 5.6.0. (*)
  382cad8... dist-git conversion (*)
  3e3b7e1... Merging identical branches.

(*) This commit already existed in another branch; no separate mail sent