/**
  * Adds actions and such.
  *
  * @since   2.3.7
  * @access  public
  * @uses    add_action
  */
 public static function init($what = array())
 {
     self::$what_widget = $what;
     self::$widget_config['root']['title'] = __('Root directories', 'mtt');
     self::$widget_config['wpcontent']['title'] = __('Wp-content directories', 'mtt');
     $hook = is_multisite() ? 'network_' : '';
     add_action("wp_{$hook}dashboard_setup", array(__CLASS__, 'dashboard_setup'));
 }