fix url issues

_layouts/default.html

@@ -5,9 +5,9 @@
     <meta http-equiv="X-UA-Compatible" content="chrome=1">
     <title>QuaggaJS, an advanced barcode-reader written in JavaScript</title>
     
-    <link rel="stylesheet" href="/stylesheets/styles.css">
-    <link rel="stylesheet" href="/stylesheets/example.css">
-    <link rel="stylesheet" href="/stylesheets/pygment_trac.css">
+    <link rel="stylesheet" href="{{ site.baseurl }}/stylesheets/styles.css">
+    <link rel="stylesheet" href="{{ site.baseurl }}/stylesheets/example.css">
+    <link rel="stylesheet" href="{{ site.baseurl }}/stylesheets/pygment_trac.css">
     <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
     <!--[if lt IE 9]>
     <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
@@ -41,6 +41,6 @@
         <p><small>Hosted on GitHub Pages &mdash; Theme by <a href="https://github.com/orderedlist">orderedlist</a></small></p>
       </footer>
     </div>
-    <script src="/javascripts/scale.fix.js"></script>
+    <script src="{{ site.baseurl }}/javascripts/scale.fix.js"></script>
   </body>
 </html>