'Clears core and gui, and fixes button to next step.'

def _scan_clear(self):

    self.nb.set_current_page(0)
    self.w3af.cleanup()
    self.set_tabs(False)
    self.sb(_('Scan    results    cleared'))
    self.exploitallsens.set_sensitive(False, 'stopstart')
    self.startstopbtns.change_internals(_('Start'), gtk.STOCK_MEDIA_PLAY, _('Start    scan'))
    self.scan_should = 'start'
    self.window.set_title(MAIN_TITLE)
    om.manager.set_output_plugin_inst(GtkOutput())
