Massive overhaul / update.

Introducing
* New helpers
* New header image
* Responsive / mobile styles
* Mobile device metatags and optimisations
* Initial blog icon support
* Restyled homepage feed

index.hbs

@@ -1,7 +1,9 @@
 {{!< default}}
 
 <header id="sitehead">
-    <img src="http://f.cl.ly/items/1N2205280l2u1l0h190o/bg.jpg" alt="" />
+    <figure class="blog-icon">
+        <img src="http://f.cl.ly/items/1O1o3n05373h222G101k/gravatar-j7-100.jpg" alt="John" />
+    </figure>
     <div class="wrap">
         <h1>John O'Nolan</h1>
         <h2>A designer, developer and entrepreneur. Spends his time travelling the world with a bag of kites. Likes to write.</h2>
@@ -16,10 +18,10 @@
     <article class="post">
         <header class="post-header">
             <h2 class="post-title"><a href="/{{slug}}">{{title}}</a></h2>
-            <span class="post-meta"><time datetime="2012-05-03">23 Aug 2013</time> in <a href="#">What I Learned Building...</a></span>
+            <span class="post-meta"><time datetime="{{date published_at format='YYYY-MM-DD'}}">{{date published_at format='DD MMM YYYY'}}</time> in <a href="#">What I Learned Building...</a></span>
         </header>
         <section class="post-excerpt">
-            {{content words="50"}}
+            <p>{{excerpt}}&hellip;</p>
         </section>
     </article>