public function notification($message, $classes = 'notifyproblem')
 {
     $message = clean_text($message);
     if ($classes == 'notifyproblem') {
         return bootstrap::alert_error($message);
     }
     if ($classes == 'notifysuccess') {
         return bootstrap::alert_success($message);
     }
     if ($classes == 'notifymessage') {
         return bootstrap::alert_info($message);
     }
     if ($classes == 'notifymessage') {
         return bootstrap::alert_default($message);
     }
     if ($classes == 'redirectmessage') {
         return bootstrap::alert_block_info($message);
     }
     return bootstrap::alert_default($message);
 }
 /**
  * Output the copyright notice.
  * @return string HTML to output.
  */
 protected function moodle_copyright()
 {
     global $CFG;
     $copyrighttext = '<p><a href="http://moodle.org/">Moodle</a> ' . '<a href="http://docs.moodle.org/dev/Releases" title="' . $CFG->version . '">' . $CFG->release . '</a></p>' . '<p>Copyright &copy; 1999 onwards, Martin Dougiamas ' . 'and <a href="http://docs.moodle.org/dev/Credits">many other contributors</a>.</p>' . '<p><a href="http://docs.moodle.org/dev/License">GNU Public License</a><p>';
     return bootstrap::alert_info($copyrighttext);
 }