[minor] Added chartbeat analytics to articles page

theme/article.html

@@ -7,6 +7,9 @@
   <div class="title">docs.nodejitsu.com </div>
 </header>
 
+
+<script type="text/javascript">var _sf_startpt=(new Date()).getTime()</script>
+
 <script type="text/javascript" charset="utf-8" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
 
 <div id="mask"></div>
@@ -30,3 +33,23 @@ <h1 class="title"></h1>
 
 <!-- end generated content -->
 
+
+<script type="text/javascript">
+var _sf_async_config={uid:11119,domain:"docs.nodejitsu.com"};
+(function(){
+  function loadChartbeat() {
+    window._sf_endpt=(new Date()).getTime();
+    var e = document.createElement('script');
+    e.setAttribute('language', 'javascript');
+    e.setAttribute('type', 'text/javascript');
+    e.setAttribute('src',
+       (("https:" == document.location.protocol) ? "https://a248.e.akamai.net/chartbeat.download.akamai.com/102508/" : "http://static.chartbeat.com/") +
+       "js/chartbeat.js");
+    document.body.appendChild(e);
+  }
+  var oldonload = window.onload;
+  window.onload = (typeof window.onload != 'function') ?
+     loadChartbeat : function() { oldonload(); loadChartbeat(); };
+})();
+
+</script>