IN PROGRESS - issue SPAGOBI-1570: Small refactoring

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@21802 99afaf0d-6903-0410-885a-c66a8bbb5f81
IN PROGRESS - issue SPAGOBI-1570: Extracted abstract class WizardPanel form WidgetEditorWizardPanel

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@21803 99afaf0d-6903-0410-885a-c66a8bbb5f81