COMP: Add VTK Python module when wrapping ITKVtkGlue.

Required for missing vtkPythonUtil.h header.

Change-Id: Ida06b0d4adfa491bf78f4f5508b84a9709e45fb2
Merge topic 'GlueWrapping'

51eb4c5f COMP: Add VTK Python module when wrapping ITKVtkGlue.