update version

Change-Id: Iacd392d2659256589eb73c47403c00af936e26a8
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1466
Reviewed-by: Michael Blow <mblow@apache.org>
diff --git a/content/site.html b/content/site.html
index db7e4b7..b0a73e0 100644
--- a/content/site.html
+++ b/content/site.html
@@ -53,10 +53,10 @@
                 <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Documentation<span class="caret"></span></a>
                 <ul class="dropdown-menu" role="menu">
                   <li class="dropdown-header">Stable release</li>
-                  <li><a href="docs/0.8.8-incubating/index.html">Documentation for 0.8.8-incubating<i class="fa fa-external-link fa-sm"></i></a></li>
+                  <li><a href="docs/0.9.0/index.html">Documentation for 0.9.0<i class="fa fa-external-link fa-sm"></i></a></li>
                   <li class="divider"></li>
                   <li class="dropdown-header">Snapshot release</li>
-                  <li><a href="https://ci.apache.org/projects/asterixdb/index.html">Documentation for 0.8.9-SNAPSHOT  <i class="fa fa-external-link fa-sm"></i></a></li>
+                  <li><a href="https://ci.apache.org/projects/asterixdb/index.html">Documentation for 0.9.1-SNAPSHOT  <i class="fa fa-external-link fa-sm"></i></a></li>
                 </ul>
               </li>
               <li><a href="about.html">About</a></li>