added Piwik tracking

app/views/layouts/application.html.haml

@@ -19,3 +19,21 @@
       .container
         %p.text-danger Debug params:
         = debug params
+
+    - if Rails.env.production?
+      :javascript
+        var _paq = _paq || [];
+        _paq.push(['trackPageView']);
+        _paq.push(['enableLinkTracking']);
+        _paq.push(['setCustomUrl', document.location]);
+        _paq.push(['setDocumentTitle', document.title]);
+        (function() {
+          var u="//stat.rrerr.net/";
+          _paq.push(['setTrackerUrl', u+'piwik.php']);
+          _paq.push(['setSiteId', 9]);
+          var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+          g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+        })();
+      %noscript
+        %p
+          %img{:alt => "", :src => "//stat.rrerr.net/piwik.php?idsite=9", :style => "border:0;"}/