Git commits in Moodle 3.6.0 by vinhle

commit 4dbc8c30a3ee467c0c68f7aa1e37e81998a7ff28
Author: vinhle <lethevinh.qng@gmail.com>
Date:   Thu, 19 Apr 2018 11:58:04 +0800
Tag:    v3.6.0-beta

MDL-62037 Filepicker: Review image not change when overwrite same