Merge pull request #37 from okuryu/about-links

Fix wrong link to the about page

Author: tfnico

_includes/navbar.html

@@ -1,7 +1,7 @@
 <div class="navbar">
   <ul>
     <li><a href="/">Home</a>
-    <li><a href="about.html">About</a>
+    <li><a href="/about.html">About</a>
     {% for node in site.pages reversed %}
       {% if node.navbar != false %}
       <li><a href="{{node.url}}">{{node.title}}</a>