ITK: update ITK to 3.16.0 with otb patches

Utilities/ITK/CMake/itkSampleBuildTest.cmake.in

Utilities/ITK/CMakeLists.txt

Utilities/ITK/CTestConfig.cmake

Utilities/ITK/Code/Algorithms/itkBinaryMask3DMeshSource.h

Utilities/ITK/Code/Algorithms/itkBioCellularAggregate.txx

Utilities/ITK/Code/Algorithms/itkCurvatureFlowFunction.txx

...es/ITK/Code/Algorithms/itkCurvatureRegistrationFilter.txx

...itkDeformableSimplexMesh3DGradientConstraintForceFilter.h

Utilities/ITK/Code/Algorithms/itkFEMRegistrationFilter.txx

...ode/Algorithms/itkFastMarchingUpwindGradientImageFilter.h

...e/Algorithms/itkFastMarchingUpwindGradientImageFilter.txx

...ties/ITK/Code/Algorithms/itkImageKmeansModelEstimator.txx

Utilities/ITK/Code/Algorithms/itkImageToImageMetric.h

...ITK/Code/Algorithms/itkLevelSetMotionRegistrationFilter.h

Utilities/ITK/Code/Algorithms/itkMRFImageFilter.txx

...gorithms/itkMattesMutualInformationImageToImageMetric.txx

...es/ITK/Code/Algorithms/itkMeanSquaresImageToImageMetric.h

...es/ITK/Code/Algorithms/itkMinMaxCurvatureFlowFunction.txx

.../Code/Algorithms/itkMultiResolutionPyramidImageFilter.txx

Utilities/ITK/Code/Algorithms/itkRGBGibbsPriorFilter.txx