You could always do this, just include a link to your client libs folder directory without using JSTL:
<link rel="stylesheet" href="https://forums.adobe.com/etc/clientlibs/aemdesign/clientlibs-common-head.css" type="text/css">
<script type="text/javascript" src="/etc/clientlibs/aemdesign/clientlibs-common-head.js"></script>
this will add the timstamp but wont minify