Git commits in Moodle 1.9.13 by Rajesh Taneja

commit de5da04c5ffd725556315f13e71ff6ee79c26435
Author: Rajesh Taneja <rajesh@moodle.org>
Date:   Wed, 15 Jun 2011 13:34:28 +0800
Tag:    v1.9.13

MDL-27863 moodlelib - fixed testcase faliure in MDL-27577

commit 7a94695536077f322fe6e4ca9bc0c1e354d8c525
Author: Rajesh Taneja <rajesh@moodle.org>
Date:   Mon, 30 May 2011 12:52:23 +0800
Tag:    v1.9.13

MDL-27577 moodlelib - fixed dst offset in userdate, usergetdate and make_timestamp functions