Git commits in Moodle 3.7.3 by Paul Holden

commit e4bb1b0d753f9c2bcd8ef293d761ad733fecd67d
Author: Paul Holden <pholden@greenhead.ac.uk>
Date:   Thu, 28 Mar 2019 20:58:43 +0800
Tag:    v3.7.3

MDL-63293 enrol_manual: observe user paging config in enrol dialog.