Git commits in Moodle 2.2.7 by Dan Marsden

commit 425475981c70879bc591859fff2185f8c431ad6c
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 28 Nov 2012 15:53:18 +0800
Tag:    v2.2.7

MDL-36858 SCORM: improve lang help for attempts grading to warn about failed status.