Fix spf13#47: adds hook_head_end partial

Author: kwiliarty

layouts/partials/head.html

@@ -19,12 +19,14 @@
   <link rel="stylesheet" href="{{ .Site.BaseURL }}css/poole.css">
   <link rel="stylesheet" href="{{ .Site.BaseURL }}css/syntax.css">
   <link rel="stylesheet" href="{{ .Site.BaseURL }}css/hyde.css">
-  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Abril+Fatface|PT+Sans:400,400i,700">
+  {{ partial "head_fonts.html" . }}
 
   <!-- Icons -->
   <link rel="apple-touch-icon-precomposed" sizes="144x144" href="/apple-touch-icon-144-precomposed.png">
   <link rel="shortcut icon" href="/favicon.png">
 
   <!-- RSS -->
   <link href="{{ .RSSLink }}" rel="alternate" type="application/rss+xml" title="{{ .Site.Title }}" />
+
+  {{ partial "hook_head_end.html" . }}
 </head>

layouts/partials/head_fonts.html

@@ -0,0 +1 @@
+  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Abril+Fatface|PT+Sans:400,400i,700">