PathListToHistogramGenerator : implémentation de la classe et des testing

Code/Common/CMakeLists.txt

Code/Common/otbPathListToHistogramGenerator.h

Code/Common/otbPathListToHistogramGenerator.txx

Testing/Code/Common/CMakeLists.txt

Testing/Code/Common/otbCommonTests.cxx

Testing/Code/Common/otbPathListToHistogramGenerator.cxx

Testing/Code/Common/otbPathListToHistogramGeneratorNew.cxx

Testing/Code/FeatureExtraction/otbFlusserPath.cxx

Testing/Code/FeatureExtraction/otbHuPath.cxx