Merge branch 'materialRefactoring' into 'develop'

GUI/Model/Job/JobModelFunctions.cpp

GUI/Model/Material/MaterialItem.cpp

GUI/Model/Material/MaterialItem.h

GUI/Model/Material/MaterialItemContainer.h

GUI/Model/Material/MaterialItemUtils.cpp

GUI/Model/Material/MaterialItemUtils.h

GUI/Model/Material/MaterialModel.cpp

GUI/Model/Material/MaterialModel.h

GUI/Model/Sample/ItemWithMaterial.cpp

GUI/Model/Sample/ItemWithMaterial.h

GUI/Model/Sample/MultiLayerItem.cpp

GUI/Model/Sample/MultiLayerItem.h

GUI/Model/Sample/ParticleItem.cpp

GUI/Model/Session/SessionXML.cpp

GUI/Model/To/ToDomain.cpp

GUI/View/MaterialEditor/MaterialEditorDialog.cpp

GUI/View/MaterialEditor/MaterialEditorModel.cpp

GUI/View/Realspace/RealSpaceBuilder.cpp

GUI/View/Realspace/RealSpaceBuilder.h

GUI/View/Realspace/RealSpaceBuilderUtils.cpp