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=v1.567>What's new in 1.567</a> <!--=DATE=--></h3>
+<h3><a name=v1.568>What's new in 1.568</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.567>What's new in 1.567</a> (2014/06/09)</h3>
 <ul class=image>
   <li class="bug">
     Fixed a reference counting bug in the remoting layer.
@@ -125,7 +128,6 @@ Upcoming changes</a>
     Added an option to archive artifacts only when the build is successful
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-22699">issue 22699</a>)
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.566>What's new in 1.566</a> (2014/06/01)</h3>
 <ul class=image>
   <li class="rfe">