updated changelog for release

changelog.html

@@ -61,7 +61,10 @@ Upcoming changes</a>
 
 <!-- these changes are controlled by the release process. DO NOT MODIFY -->
 <div id="rc" style="display:none;"><!--=BEGIN=-->
-<h3><a name=v1.596>What's new in 1.596</a> <!--=DATE=--></h3>
+<h3><a name=v1.597>What's new in 1.597</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.596>What's new in 1.596</a> (2015/01/04)</h3>
 <ul class=image>
   <li class=bug>
     Build page was broken in Hungarian localization while building.
@@ -70,7 +73,6 @@ Upcoming changes</a>
     Allow breaking label and node lists,
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-25989">issue 25989</a>)
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.595>What's new in 1.595</a> (2014/12/21)</h3>
 <ul class=image>
   <li class=bug>