medical image analysis SVN (old)

changed	/itkngf/Code/itkNormalizedGradientFieldImageToImageMetric.h
changed	/itkngf/Code/itkNormalizedGradientFieldImageToImageMetric.txx
removed	/itkngf/Code/itkVectorBSplineDecompositionImageFilter.h
removed	/itkngf/Code/itkVectorBSplineDecompositionImageFilter.txx
removed	/itkngf/Code/itkVectorBSplineInterpolateImageFunction.h
removed	/itkngf/Code/itkVectorBSplineInterpolateImageFunction.txx
changed	/itkngf/Code/testNormalizedGradientFieldImageToImageMetric.cpp
changed	/itkngf/Examples/CMakeLists.txt
removed	/itkngf/Examples/DeformableRegistrationNGF2D.cxx
removed	/itkngf/Examples/ImageRegistration.cxx
removed	/itkngf/Examples/ImageRegistration2D.cxx
removed	/itkngf/Examples/ImageRegistration3D.cxx
removed	/itkngf/Examples/MultiResImageRegistration2DLBFGS.cxx