Git commits in Moodle 1.9.15 by Ankit Kumar Agarwal

commit c42cd0d1b35303ac340ae1dfb04ff17482a277a6
Author: Ankit Kumar Agarwal <ankit_frenz@yahoo.co.in>
Date:   Thu, 10 Nov 2011 16:16:43 +0800
Tag:    v1.9.15

MDL-29893 Fixing issues with password generation function