Docs updated

doc/source/_templates/layout.html

@@ -0,0 +1,27 @@
+{% extends "!layout.html" %}
+
+{%- block extrahead %}
+{{ super() }}
+<script type="text/javascript">
+  var _gaq = _gaq || [];
+  _gaq.push(['_setAccount', 'UA-75841942-1']);
+  _gaq.push(['_trackPageview']);
+</script>
+{% endblock %}
+
+{% block footer %}
+{{ super() }}
+<div class="footer">This page uses <a href="http://analytics.google.com/">
+Google Analytics</a> to collect statistics. You can disable it by blocking
+the JavaScript coming from www.google-analytics.com.
+<script type="text/javascript">
+  (function() {
+    var ga = document.createElement('script');
+    ga.src = ('https:' == document.location.protocol ?
+              'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+    ga.setAttribute('async', 'true');
+    document.documentElement.firstChild.appendChild(ga);
+  })();
+</script>
+</div>
+{% endblock %}