Git commits in Moodle 2.1.5 by Joseph Rezeau

commit 3ec7dc747fd881a274b5c692038eaa554e02c789
Author: Joseph Rezeau <moodle@rezeau.org>
Date:   Thu, 16 Feb 2012 15:42:07 +0800
Tag:    v2.1.5

MDL-31556 Lesson Module: fixed missing 'lesson closes' event in calendar