Wizard fixes as discussed here: https://swift-project.slack.com/archives/G7GD2UP9C/p1534597257000200

- improved message for initial data loading
- Simulator wizard page before 1st model set page
- 1st model set component, forced directory loading (and not just displaying model cache)

src/blackgui/components/cockpitcomponent.h

@@ -38,7 +38,7 @@ namespace BlackGui
             explicit CCockpitComponent(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CCockpitComponent();
+            virtual ~CCockpitComponent() override;
 
             //! \copydoc CEnableForDockWidgetInfoArea::setParentDockWidgetInfoArea
             virtual bool setParentDockWidgetInfoArea(BlackGui::CDockWidgetInfoArea *parentDockableWidget) override;