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=v1.455>What's new in 1.455</a> <!--=DATE=--></h3>
+<h3><a name=v1.456>What's new in 1.456</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.455>What's new in 1.455</a> (2012/03/12)</h3>
 <ul class=image>
   <li class=bug>
     Fixed a regression in 1.453 with IE9
@@ -94,7 +97,6 @@ Upcoming changes</a>
   <li class=rfe>
     <tt>java -jar jenkins.war</tt> now uses the HTTP only session cookie that's more robust against XSS vulnerability.
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.454>What's new in 1.454</a> (2012/03/05)</h3>
 <ul class=image>
   <li class=bug>