Git commits in Moodle 3.4.9 by Michael Hawkins

commit 3f4f2da9e0fe17366df855458e06b9914d554568
Author: Michael Hawkins <michaelh@moodle.com>
Date:   Mon, 18 Mar 2019 15:23:59 +0800
Tag:    v3.4.9

MDL-61738 messageinbound: Fix quota checks & filesize for email uploads