Git commits in Moodle 3.8.4 by Steve Bader

commit e8e5f49883d65461ec8f0ab9fdfff467744c3e4c
Author: Steve Bader <smbader@ncsu.edu>
Date:   Tue, 11 Jun 2019 23:12:35 +0800
Tag:    v3.8.4

MDL-52578 core_course: Activity weight set to 0 on creation