unpointerize fcts that return Frame

Device/Detector/IDetector.h

Device/Detector/RectangularDetector.cpp

Device/Detector/RectangularDetector.h

Device/Detector/SphericalDetector.cpp

Device/Detector/SphericalDetector.h

GUI/Model/Device/InstrumentItems.cpp

GUI/Model/Device/InstrumentItems.h

GUI/Model/Device/InstrumentNotifier.cpp

GUI/Model/Job/JobItem.cpp

Sim/Fitting/SimDataPair.cpp

Sim/Scan/IBeamScan.cpp

Sim/Scan/IBeamScan.h

Sim/Simulation/DepthprobeSimulation.cpp

Sim/Simulation/DepthprobeSimulation.h

Sim/Simulation/ISimulation.h

Sim/Simulation/OffspecSimulation.cpp

Sim/Simulation/OffspecSimulation.h

Sim/Simulation/ScatteringSimulation.cpp

Sim/Simulation/ScatteringSimulation.h

Sim/Simulation/SpecularSimulation.cpp