Add missing gitrev tag.

Author: dpage

templates/base/base.html

@@ -28,7 +28,7 @@
   {%endif%}
   <link rel="stylesheet" type="text/css" href="/dyncss/base.css?{{gitrev}}">
 
-  <script src="/media/js/theme.js"></script>
+  <script src="/media/js/theme.js?{{gitrev}}"></script>
 
   {%block extrahead%}{%endblock%}
   </head>