Added Google+ authorship
diff --git a/templates/base.html b/templates/base.html
index e600560..39bd2a1 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -14,6 +14,10 @@
   <meta name="author" content="{{ AUTHOR }}">
   <meta name="description" content="Posts and writings by {{ AUTHOR }}">
 
+  {% if GOOGLE_PLUS_URL %}
+  <link rel="author" href="{{ GOOGLE_PLUS_URL }}?rel=author">
+  {% endif %}
+
   {% if FEED_ALL_ATOM %}
   <link href="{{ FEED_DOMAIN }}/{{ FEED_ALL_ATOM }}" type="application/atom+xml" rel="alternate" title="{{ SITENAME }} Full Atom Feed" />
   {% endif %}