Git commits in Moodle 2.1.3 by Mark Nielsen

commit c8972b9909129320055e2a0b361e66506f3eb18a
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Sat, 05 Nov 2011 03:22:14 +0800
Tag:    v2.1.3

MDL-30059: Assignment Submission Notification Should Use Teacher's Timezone Rather Than Server Time