add pattern factory/singletton to create different type of element

add two news class for element type : simple and folio report
add an empty tab for the element report in the element properties widget


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2665 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/ui/elementpropertieswidget.h

@@ -13,6 +13,7 @@ class elementpropertieswidget : public QDialog
 
 	private:
 	QWidget* generalWidget();
+	void buildInterface();
 
 	signals:
 	/// Signal emitted when users wish to locate an element from the diagram within elements collection
@@ -26,6 +27,7 @@ class elementpropertieswidget : public QDialog
 	void editElement ();
 
 	private:
+	QWidget *w; ///this widget is only for test
 	QDialogButtonBox *dbb;
 	Element *element_;
 	Diagram *diagram_;