js, css 캐시 문제로 printJS, printCSS 함수를 이용하도록 변경

hwe/commandlist.php

@@ -15,8 +15,8 @@ $connect=$db->get();
 <head>
 <title>커맨드리스트</title>
 <meta HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=utf-8'>
-<link rel='stylesheet' href='../d_shared/common.css' type='text/css'>
-<link rel='stylesheet' href='css/common.css?180512' type='text/css'>
+<?=WebUtil::printCSS('../d_shared/common.css')?>
+<?=WebUtil::printCSS('css/common.css')?>
 <script type="text/javascript">
 <?php
 if(!$session->isLoggedIn()){