Avoid circular dependency when using kits.
Make vtkIOXdmf3 part of vtkParallel kit to avoid circular dependency. vtkIOXdmf3 depends on ParallelCore and hence needs to be part of vtkParallel and not vtkIO.
Make vtkIOXdmf3 part of vtkParallel kit to avoid circular dependency. vtkIOXdmf3 depends on ParallelCore and hence needs to be part of vtkParallel and not vtkIO.