Fixes in model set form as described by RP

https://swift-project.slack.com/archives/G96QTUBEG/p1544353355002400

* fixed missing radio button groups
* return values for some functions to detect "changes"
* minor style fixes

src/blackgui/models/listmodeldbobjects.h

@@ -91,7 +91,7 @@ namespace BlackGui
             //! @}
 
             //! Sort order to order property BlackMisc::IOrderable::IndexOrder
-            void setSortColumnToOrder();
+            bool setSortColumnToOrder();
 
         protected:
             //! Constructor