public static function add_admin_scripts()
{
wp_enqueue_script('flot', plugins_url('/js/flot/jquery.flot.js', __FILE__), array('jquery'));
wp_enqueue_script('msm-sitemap-admin', plugins_url('/js/msm-sitemap-admin.js', __FILE__), array('jquery', 'flot'));
wp_enqueue_script('flot-time', plugins_url('/js/flot/jquery.flot.time.js', __FILE__), array('jquery', 'flot'));
wp_enqueue_style('msm-sitemap-css', plugins_url('css/style.css', __FILE__));
wp_enqueue_style('noticons', '//s0.wordpress.com/i/noticons/noticons.css');
}