Added latest change before 2.4.4 is out.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3372 b35dd754-fafc-0310-a699-88a17e54d16e

documentation/dist/changelog.html

@@ -75,6 +75,7 @@ Wildfire Changelog
 <h2>New Features</h2>
 <ul>
 <li>[<a href='http://www.jivesoftware.org/issues/browse/JM-539'>JM-539</a>] - Improved performance by removing superfluous #toLowercase.</li>
+<li>[<a href='http://www.jivesoftware.org/issues/browse/JM-549'>JM-549</a>] - Added tab character as a possible hearbeat sent by clients.</li>
 <li>[<a href='http://www.jivesoftware.org/issues/browse/JM-546'>JM-546</a>] - Updated French translation.</li>
 </ul>