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=v2.16>What's new in 2.16</a> (2016/07/31)</h3>
 <ul class=image>
   <li class="major rfe">
     Decouple bouncycastle libraries from Jenkins into bouncycastle-api plugin
@@ -73,7 +78,6 @@ Upcoming changes</a>
     (<a href="https://issues.jenkins-ci.org/brows/JENKINS-37032">issue 37032</a>)
   <li class=>
 </ul>
-</div><!--=TRUNK-END=-->
 <h3><a name=v2.15>What's new in 2.15</a> (2016/07/24)</h3>
 <ul class=image>
   <li class="major bug">