Revert previous commits, go to vtk-6 branch to find them back

Algorithms/CMakeLists.txt

Algorithms/itkAddRicianNoiseImageFilter.txx

Algorithms/itkAutomaticImageThresholdCalculator.txx

...s/itkNormalizedGaussianInterpolationTensorImageFilter.txx

Algorithms/itkTensorLinearInterpolateImageFunction.txx

Algorithms/itkTensorToLogFAFunction.txx

Algorithms/itkTensorToScalarFunction.h

Commands/CMakeLists.txt

Commands/itkAddGaussianNoiseToTensorsCommand.cxx

Commands/itkAddRicianNoiseToImageCommand.cxx

Commands/itkBoostTensorAnisotropyCommand.cxx

Commands/itkConsolidateFiberBundleCommand.cxx

Commands/itkDWIBrainMaskExtractorCommand.cxx

Commands/itkNDImageToTensorImageCommand.cxx

Commands/itkNPTRemoverCommand.cxx

Commands/itkNormalize2TensorsCommand.cxx

Commands/itkPermute23TensorCoefficientsCommand.cxx

Commands/itkRBFRotationMatrixExtrapolationCommand.cxx

Commands/itkRBFTensorExtrapolationCommand.cxx

Commands/itkResampleTensorImageCommand.cxx