Git commits in Moodle 2.8.7 by Mark Ward

commit e7199f894418a08fff03c1a106213c35dbf43b59
Author: Mark Ward <me@moodlemark.com>
Date:   Fri, 27 Mar 2015 00:21:00 +0800
Tag:    v2.8.7

MDL-49022 auth_ldap: trigger event when required.