ENH:add anomaly detection local RX (first version from Alexis HUCK)

CMakeLists.txt

Code/CMakeLists.txt

Code/RX/CMakeLists.txt

Code/RX/Rx.cxx.old

Code/RX/otbLocalRxDetectorFilter.h

Code/RX/otbLocalRxDetectorFilter.txx

Code/RX/otbLocalRxDetectorFilter_nonThreaded.h

Code/RX/otbLocalRxDetectorFilter_nonThreaded.txx

Testing/CMakeLists.txt

Testing/LocalRxDetectorRoiTest.cxx

Testing/LocalRxDetectorTest.cxx

Testing/otbAnomalyTests1.cxx