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=v1.511>What's new in 1.511</a> <!--=DATE=--></h3>
+<h3><a name=v1.512>What's new in 1.512</a> <!--=DATE=--></h3>
+<!--=RC-CHANGES=-->
+</div><!--=END=-->
+<h3><a name=v1.511>What's new in 1.511</a> (2013/04/14)</h3>
 <ul class=image>
   <li class=bug>
     JUnit result archiver should only fail builds if there are really no results - i.e. also no skipped tests.
@@ -76,7 +79,6 @@ Upcoming changes</a>
     sort order of plugin list is not working by default.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-17039">issue 17039</a>)
 </ul>
-</div><!--=END=-->
 <h3><a name=v1.510>What's new in 1.510</a> (2013/04/06)</h3>
 <ul class=image>
   <li class=bug>