moved the favicon.png to the root directory for better discoverability

.themes/classic/source/_includes/head.html

@@ -19,7 +19,7 @@
     <meta name="keywords" content="{{page.keywords}}"/>
   {% endif %}
 
-  <link href="{{ site.root }}/images/favicon.png" rel="shortcut icon" />
+  <link href="{{ site.root }}/favicon.png" rel="shortcut icon" />
   <link href="{{ site.root }}/stylesheets/screen.css" media="screen, projection" rel="stylesheet" type="text/css">
   <script src="{{ site.root }}/javascripts/modernizr-2.0.js"></script>
   <script src="http://s3.amazonaws.com/ender-js/jeesh.min.js"></script>