Git commits in Moodle 3.6.3 by Jake Dallimore

commit 61bdf6fab381f4ac4a4cd22bc008cedc0f3be6a0
Author: Jake Dallimore <jake@moodle.com>
Date:   Wed, 19 Dec 2018 09:02:59 +0800
Tag:    v3.6.3

MDL-64412 core_message: remove ordering code from message_search_users()

commit bed5aa4d13ed503eeb9f80f08b2dd32e25516008
Author: Jake Dallimore <jake@moodle.com>
Date:   Wed, 19 Dec 2018 08:46:16 +0800
Tag:    v3.6.3

MDL-64412 core_message: get_member_info() respects provided ordering