Merge pull request #692 from DmitryYurov/develop

GUI/coregui/Models/DataItem.cpp

GUI/coregui/Models/DataItem.h

GUI/coregui/Models/IntensityDataItem.cpp

GUI/coregui/Models/IntensityDataItem.h

GUI/coregui/Models/ItemCatalogue.cpp

GUI/coregui/Models/JobItem.cpp

GUI/coregui/Models/JobItem.h

GUI/coregui/Models/JobModel.cpp

GUI/coregui/Models/JobModelFunctions.cpp

GUI/coregui/Models/JobModelFunctions.h

GUI/coregui/Models/LayerItem.cpp

GUI/coregui/Models/LayerItem.h

GUI/coregui/Models/MaterialItemContainer.cpp

GUI/coregui/Models/MaterialItemContainer.h

GUI/coregui/Models/MultiLayerItem.cpp

GUI/coregui/Models/MultiLayerItem.h

GUI/coregui/Models/ParameterTreeItems.cpp

GUI/coregui/Models/ParameterTreeUtils.cpp

GUI/coregui/Models/ParticleCoreShellItem.cpp

GUI/coregui/Models/ParticleCoreShellItem.h