WIP: start refactoring of monostatic polarimetric filters using FunctorImageFilter

...cations/AppSARDecompositions/app/otbSARDecompositions.cxx

...AppSARPolarMatrixConvert/app/otbSARPolarMatrixConvert.cxx

Modules/Filtering/Polarimetry/include/otbPolarimetryTags.h

...s/Filtering/Polarimetry/include/otbSinclairImageFilters.h

.../otbSinclairToReciprocalCircularCovarianceMatrixFunctor.h

...y/include/otbSinclairToReciprocalCoherencyMatrixFunctor.h

.../include/otbSinclairToReciprocalCovarianceMatrixFunctor.h

.../Filtering/Polarimetry/test/otbReciprocalBarnesDecomp.cxx

...ering/Polarimetry/test/otbReciprocalHAlphaImageFilter.cxx

.../Filtering/Polarimetry/test/otbReciprocalHuynenDecomp.cxx

...ing/Polarimetry/test/otbSinclairReciprocalImageFilter.cxx

...tbSinclairToReciprocalCircularCovarianceMatrixFunctor.cxx

...ry/test/otbSinclairToReciprocalCoherencyMatrixFunctor.cxx

...y/test/otbSinclairToReciprocalCovarianceMatrixFunctor.cxx