done with directory decoupling

Core/Detector/DetectorContext.cpp

Core/Detector/DetectorContext.h

Core/Detector/DetectorFunctions.cpp

Core/Detector/DetectorFunctions.h

Core/Detector/DetectorMask.cpp

Core/Detector/DetectorMask.h

Core/Detector/IDetector.cpp

Core/Detector/IDetector.h

Core/Detector/IDetector2D.cpp

Core/Detector/IDetector2D.h

Core/Detector/IsGISAXSDetector.cpp

Core/Detector/IsGISAXSDetector.h

Core/Detector/RectangularDetector.cpp

Core/Detector/RectangularDetector.h

Core/Detector/RectangularPixel.cpp

Core/Detector/RectangularPixel.h

Core/Detector/RegionOfInterest.cpp

Core/Detector/RegionOfInterest.h

Core/Detector/SimpleUnitConverters.cpp

Core/Detector/SimpleUnitConverters.h