Git commits in Moodle 3.6.4 by Mathew May

commit 159f20a93ed2a848489c75e740e03c33fe70f6d6
Author: Mathew May <mathewm@hotmail.co.nz>
Date:   Wed, 20 Feb 2019 08:38:06 +0800
Tag:    v3.6.4

MDL-60339 course: Course editing only checked against site:manageblocks.