Git commits in Moodle 2.2.7 by Mark Nielsen

commit 5a1922cd24d5854fd593fba4b21d6567ef94a3ff
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Wed, 14 Nov 2012 04:55:44 +0800
Tag:    v2.2.7

MDL-36579: Adding missing fields in mod/lti backup


commit c9faf6e3b5ec02bae20bdc69cb02f7056983dc3b
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Wed, 14 Nov 2012 04:45:02 +0800
Tag:    v2.2.7

MDL-36336: Prevent duplicate grade items on restore