Git commits in Moodle 3.5.0 by Nicolas Dunand

commit a0b2b766132b04e1f538c7495cc8c3fbfb2505b2
Author: Nicolas Dunand <nico@kolya.ch>
Date:   Fri, 02 Feb 2018 22:25:41 +0800
Tag:    v3.5.0-beta

MDL-61344 mod_assign: Show additional files when adding submission