Git commits in Moodle 2.3.0 by Joseph Rezeau

commit 608ba9fffb523520afa5ed2bfce02733c5779a42
Author: Joseph Rezeau <moodle@rezeau.org>
Date:   Thu, 16 Feb 2012 16:08:15 +0800
Tag:    v2.3.0-beta

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