fix ssl

_includes/head.html

@@ -18,7 +18,7 @@
   <link rel="stylesheet" href="{{ site.baseurl }}public/css/poole.css">
   <link rel="stylesheet" href="{{ site.baseurl }}public/css/syntax.css">
   <link rel="stylesheet" href="{{ site.baseurl }}public/css/hyde.css">
-  <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700|Abril+Fatface">
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700|Abril+Fatface">
 
   <!-- Icons -->
   <link rel="apple-touch-icon-precomposed" sizes="144x144" href="{{ site.baseurl }}public/apple-touch-icon-144-precomposed.png">