Improved version of "Allow to delete data directory from application view"

- split functions into dynamic loading and const versions (loading at startup)
- reload other versions from wizard in case they changed
- some renaming/formatting

src/blackgui/components/otherswiftversionscomponent.h

@@ -41,6 +41,9 @@ namespace BlackGui
             //! Get the selected other version
             BlackMisc::CApplicationInfo selectedOtherVersion() const;
 
+            //! Reload versions
+            void reloadOtherVersions();
+
         signals:
             //! Selection changed
             void versionChanged(const BlackMisc::CApplicationInfo &info);
@@ -48,9 +51,6 @@ namespace BlackGui
         private:
             QScopedPointer<Ui::COtherSwiftVersionsComponent> ui;
 
-            //! Reload versions
-            void reloadVersions();
-
             //! Data directory
             void openDataDirectory();