/**
  * copy some files
  * 
  * @param boolean $update
  */
 protected static function copyFiles($update)
 {
     File::copy(self::getRootDirVendor() . 'css/*.css', self::getRootDirTheme() . 'css/');
     File::copy(self::getRootDirVendor() . 'js/*.js', self::getRootDirTheme() . 'js/');
     File::copy(self::getRootDirVendor() . 'images/*.*', self::getRootDirTheme() . 'images/');
     self::$event->getIO()->write(":: copied some needed files");
 }