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=v1.558>What's new in 1.558</a> <!--=DATE=--></h3>
+<h3><a name=v1.559>What's new in 1.559</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.558>What's new in 1.558</a> (2014/04/06)</h3>
 <ul class=image>
   <li class=rfe>
     Cron-style trigger configuration will now display expected prior and subsequent run times.
@@ -93,7 +96,6 @@ Upcoming changes</a>
     Fixed NPE executing <tt>Pipe.EOF</tt> with <tt>ProxyWriter</tt>
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-20769">issue 20769</a>)
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.557>What's new in 1.557</a> (2014/03/31)</h3>
 <ul class=image>
   <li class=bug>