COMP: Wrap GaussianImageSource for StructureTensor
COMP: Wrap GaussianImageSource for StructureTensor

To address:

  itkStructureTensor: warning(4): ITK type not wrapped, or currently not
  known: itk::GaussianImageSource< itk::Image< double, 2 > >
  itkStructureTensor: warning(4): ITK type not wrapped, or currently not
  known: itk::GaussianImageSource< itk::Image< double, 3 > >

phcerdan/ITKIsotropicWavelets,phcerdan/ITKIsotropicWavelets