[j.0] XML / PolyItem clean up, prepare ()

GUI/Model/Beam/DistributionCatalog.h

GUI/Model/Beam/FootprintCatalog.h

GUI/Model/Descriptor/PolyItem.h

GUI/Model/Detector/ResolutionFunctionCatalog.h

GUI/Model/Job/ParameterTreeBuilder.cpp

GUI/Model/Mask/MaskCatalog.h

GUI/Model/Mask/PointItem.cpp

GUI/Model/Sample/FormfactorCatalog.h

GUI/Model/Sample/InterferenceCatalog.h

GUI/Model/Sample/Lattice2DCatalog.cpp

GUI/Model/Sample/Lattice2DCatalog.h

GUI/Model/Sample/ParticleCatalog.h

GUI/Model/Sample/ProfileCatalogs.cpp

GUI/Model/Sample/ProfileCatalogs.h

GUI/Model/Sample/RotationCatalog.h

GUI/Model/Sample/RoughnessCatalog.h

GUI/Model/Sim/BackgroundCatalog.h

GUI/Model/Sim/InstrumentCatalog.h

GUI/Model/Sim/InstrumentItems.cpp

GUI/Model/Util/UtilXML.h