updated changelog for release

changelog.html

@@ -55,6 +55,11 @@ Upcoming changes</a>
 
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
+<ul class=image>
+  <li class=>
+</ul>
+</div><!--=TRUNK-END=-->
+<h3><a name=v2.9>What's new in 2.9</a> (2016/06/13)</h3>
 <ul class=image>
   <li class=bug>
     Always send usage statistics over HTTPs to the new usage.jenkins.io hostname.
@@ -90,7 +95,6 @@ Upcoming changes</a>
     API: Make it easier for <code>UpdateSite</code>s to tweak the </code>InstallationJob</code>.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-35402">Issue 35402</a>)
 </ul>
-</div><!--=TRUNK-END=-->
 <h3><a name=v2.8>What's new in 2.8</a> (2016/06/05)</h3>
 <ul class=image>
   <li class=bug>