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=v1.452>What's new in 1.452</a> <!--=DATE=--></h3>
+<h3><a name=v1.453>What's new in 1.453</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.452>What's new in 1.452</a> (2012/02/27)</h3>
 <ul class=image>
   <li class=bug>
     Infinite loop or invalid next execution with crontab DoW=7
@@ -84,7 +87,6 @@ Upcoming changes</a>
     Misc performance improvements
     (<a href="https://github.com/jenkinsci/jenkins/pull/342">pull 342</a>)
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.451>What's new in 1.451</a> (2012/02/13)</h3>
 <ul class=image>
   <li class=bug>