Git commits in Moodle 3.9.x by Matt Porritt

commit bdf62bba359ca799856627579f5a74d42bff0888
Author: Matt Porritt <mattp@catalyst-net.au>
Date:   Mon, 21 Oct 2019 12:20:34 +0800
Tag:    v3.9.0-beta

MDL-66972 Files API: Add Streaming file mime type support

commit 4be93382eb751f6e76f0503e7bb607fef82785db
Author: Matt Porritt <mattp@catalyst-net.au>
Date:   Fri, 15 Feb 2019 06:28:10 +0800
Tag:    v3.9.0-beta

MDL-63795 Administration: CLI upgrade apply all settings