Git commits in Moodle 2.3.0 by Rex Lorenzo

commit ae11631886b248c8727f4bbaa8e45319a11b617a
Author: Rex Lorenzo <rexlorenzo@gmail.com>
Date:   Sun, 20 May 2012 12:27:38 +0800
Tag:    v2.3.0-beta

MDL-33090 - Missing strings in XMLDB editor - added in missing strings

commit 4ff8dcccccc8e2734f28d824906315b941708214
Author: Rex Lorenzo <rex@oid.ucla.edu>
Date:   Thu, 03 May 2012 10:08:51 +0800
Tag:    v2.3.0-beta

MDL-32670 mod/chat: also added missing call to ->set_heading in report.php

commit a9ce6b1f8d5d599f1f120ba50fc6c623b9610d0c
Author: Rex Lorenzo <rex@oid.ucla.edu>
Date:   Sat, 28 Apr 2012 06:58:16 +0800
Tag:    v2.3.0-beta

MDL-32670 mod/chat: added missing call to $PAGE->set_heading