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=v1.551>What's new in 1.551</a> <!--=DATE=--></h3>
+<h3><a name=v1.552>What's new in 1.552</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.551>What's new in 1.551</a> (2014/02/14)</h3>
 <ul class=image>
   <li class='major bug'>
     Regression in Windows slaves since 1.547.
@@ -102,7 +105,6 @@ Upcoming changes</a>
   <li class=bug>
     "java -jar jenkins.war" should use unique session cookie for users who run multiple Jenkins on the same host.
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.550>What's new in 1.550</a> (2014/02/09)</h3>
 <ul class=image>
   <li class=bug>