Runs the wizard instance for this plugin.
        
        :param      parent | <QWidget>
        
        :return     <bool> | success

def runWizard(self, parent):
        """
        Runs the wizard instance for this plugin.
        
        :param      parent | <QWidget>
        
        :return     <bool> | success
        """
        wizard = XScaffoldWizard(self._scaffold, parent)
        return wizard.exec_()