Git commits in Moodle 3.0.6 by Loc Nguyen

commit 744adf1bb6223c3210627b4f082af7b83bbd4b43
Author: Loc Nguyen <loc.nguyendinh@harveynash.vn>
Date:   Tue, 21 Jun 2016 16:04:14 +0800
Tag:    v3.0.6

MDL-54832 workshop: adding landmark for userplantable