[jw10] cleanup FrameUtil, Datafield ()

Base/Axis/Frame.cpp

Base/Axis/FrameUtil.cpp

Base/Axis/FrameUtil.h

Device/Coord/ICoordSystem.cpp

Device/Coord/ICoordSystem.h

Device/Data/Datafield.cpp

Device/Data/Datafield.h

Device/Histo/SimulationResult.cpp

Examples/fit/specular/Honeycomb_fit.py

Examples/fit/specular/RealLifeReflectometryFitting.py

GUI/Model/Data/MaskUnitsConverter.cpp

Tests/Unit/Device/IntensityDataFunctionsTest.cpp

auto/Wrap/libBornAgainDevice.py

auto/Wrap/libBornAgainDevice_wrap.cpp