Add tests on optical calibration with solar variability in input

...tions/AppOpticalCalibration/app/otbOpticalCalibration.cxx

...calCalibration/include/otbImageToReflectanceImageFilter.h

...Calibration/include/otbRadianceToReflectanceImageFilter.h

...calCalibration/include/otbReflectanceToImageImageFilter.h

...Calibration/include/otbReflectanceToRadianceImageFilter.h

Modules/Radiometry/OpticalCalibration/test/CMakeLists.txt

...icalCalibration/test/otbImageToReflectanceImageFilter.cxx

...lCalibration/test/otbRadianceToReflectanceImageFilter.cxx

...icalCalibration/test/otbReflectanceToImageImageFilter.cxx

...lCalibration/test/otbReflectanceToRadianceImageFilter.cxx