8 update global html head HTML

• Point static URLS to static-preview
• Add FontAwesome JS for icons

<link rel="dns-prefetch" href="https://static-preview.ucsc.edu"/>
<meta charset="UTF-8"/>
<meta content="IE=edge" http-equiv="X-UA-Compatible"/>
<meta content="width=device-width, user-scalable=yes, initial-scale=1.0, minimum-scale=1.0, maximum-scale=2.0" name="viewport"/>
<link href="//www.ucsc.edu/favicon.ico" rel="shortcut icon"/>
<link href="//www.ucsc.edu/apple-touch-icon.png" rel="apple-touch-icon"/>

<link href="https://static-preview.ucsc.edu/_responsive/css/ucsc.css" rel="stylesheet" type="text/css"/>
<script src="https://static-preview.ucsc.edu/_responsive/lib/modernizr/modernizr.js" type="text/javascript"></script>
<script src="https://static-preview.ucsc.edu/_responsive/lib/jquery/dist/jquery.js" type="text/javascript"></script>
<script async="true" src="https://static-preview.ucsc.edu/_responsive/js/main.js" type="text/javascript"></script>
<script defer="true" src="https://use.fontawesome.com/releases/v5.0.6/js/all.js"></script>