Git commits in Moodle 3.7.x by Andrew Hancox

commit 1877ae79f29cee8b1f4ac1b1135eab11fceed0b8
Author: Andrew Hancox <andrewdchancox@googlemail.com>
Date:   Mon, 15 Oct 2018 21:24:19 +0800
Tag:    v3.7.0-beta

MDL-62666 course: Ignore restore_general_groups on activity duplication