updated theme

source/_includes/custom/head.html

@@ -1,3 +1,7 @@
+{% comment %}
+To customize the favicon, assign it to "/url/to/favicon.png"
+{% endcomment %}
+{% assign favicon = false %}
 <!--Fonts from Google's Web font directory at http://google.com/webfonts -->
 <link href='http://fonts.googleapis.com/css?family=PT+Serif:regular,italic,bold,bolditalic' rel='stylesheet' type='text/css'>
 <link href='http://fonts.googleapis.com/css?family=PT+Sans:regular,italic,bold,bolditalic' rel='stylesheet' type='text/css'>

source/_includes/head.html

@@ -19,7 +19,6 @@
 
   {% capture canonical %}{{ site.url }}{% if site.permalink contains '.html' %}{{ page.url }}{% else %}{{ page.url | remove:'index.html' | strip_slash }}{% endif %}{% endcapture %}
   <link rel="canonical" href="{{ canonical }}">
-  <link href="{{ root_url }}/favicon.png" rel="icon">
   <link href="{{ root_url }}/stylesheets/screen.css" media="screen, projection" rel="stylesheet" type="text/css">
   <script src="{{ root_url }}/javascripts/modernizr-2.0.js"></script>
   <script src="{{ root_url }}/javascripts/jquery.min.js"></script>
@@ -27,4 +26,6 @@
   <link href="{{ site.subscribe_rss }}" rel="alternate" title="{{site.title}}" type="application/atom+xml">
   {% include custom/head.html %}
   {% include google_analytics.html %}
+  {% unless favicon %}{% capture favicon %}{{ root_url }}/octopress-favicon.png{% endcapture %} {% endunless %}
+  <link href="{{favicon}}" rel="icon">
 </head>