ENH : SAR pol have complex output now. Until now this wasn't possible.

Testing/Code/SARPolarimetry/CMakeLists.txt

...olarimetry/otbReciprocalCoherencyToMuellerImageFilter.cxx

...y/otbReciprocalCovarianceToCoherencyDegreeImageFilter.cxx

...bReciprocalCovarianceToReciprocalCoherencyImageFilter.cxx

...ng/Code/SARPolarimetry/otbReciprocalHAlphaImageFilter.cxx

...arCovarianceToReciprocalCircularCovarianceImageFilter.cxx

Testing/Code/SARPolarimetry/otbSinclairImageFilter.cxx

.../Code/SARPolarimetry/otbSinclairReciprocalImageFilter.cxx