Merge pull request #331 from gpospelov/develop

GUI/coregui/Models/GroupInfo.cpp

GUI/coregui/Models/GroupInfo.h

GUI/coregui/Models/GroupItem.cpp

GUI/coregui/Models/GroupItem.h

GUI/coregui/Models/GroupItemController.cpp

GUI/coregui/Models/GroupItemController.h

GUI/coregui/Models/GroupPropertyRegistry.cpp

GUI/coregui/Models/GroupPropertyRegistry.h

GUI/coregui/Models/SessionDecorationModel.cpp

GUI/coregui/Models/SessionItem.cpp

GUI/coregui/Models/SessionItem.h

GUI/coregui/Models/SessionItemUtils.cpp

GUI/coregui/Models/SessionItemUtils.h

GUI/coregui/Models/SessionModelDelegate.h

GUI/coregui/Models/SessionXML.cpp

GUI/coregui/Models/item_constants.h

GUI/coregui/Views/PropertyEditor/CustomEditors.cpp

GUI/coregui/Views/PropertyEditor/CustomEditors.h

GUI/coregui/Views/PropertyEditor/ObsoleteComponentEditor.cpp

...gui/Views/PropertyEditor/ObsoletePropertyBrowserUtils.cpp