refs #887, improved copy wizard

* initAndPreselectDirectories when wizard page becomes visible
* completed copy function

src/blackgui/components/copyconfigurationcomponent.h

@@ -43,7 +43,7 @@ namespace BlackGui
             void setSettingsMode();
 
             //! Selected files are copied
-            void copySelectedFiles();
+            int copySelectedFiles();
 
             //! Preselect newer files
             void preselectMissingOurOutdated();
@@ -51,6 +51,9 @@ namespace BlackGui
             //! Init file content
             void initCurrentDirectories();
 
+            //! Init and preselect directories
+            void initAndPreselectDirectories();
+
             //! Are there other versions to copy from
             bool hasOtherVersionData() const;