homepage update for old docs

2.3.2/index.html

@@ -100,6 +100,8 @@
         Version 2.3.2
       </li>
     </ul>
+
+    <div id="carbonads-container"><div class="carbonad"><div id="azcarbon"></div><script type="text/javascript">var z = document.createElement("script"); z.type = "text/javascript"; z.async = true; z.src = "http://engine.carbonads.com/z/32341/azcarbon_2_1_0_HORIZDARK"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(z, s);</script></div></div>
   </div>
 </div>