Git commits in Moodle 3.4.5 by vinhle

commit ba335d048ced83330627a9b1f11ce723988a7b91
Author: vinhle <lethevinh.qng@gmail.com>
Date:   Thu, 19 Apr 2018 12:09:03 +0800
Tag:    v3.4.5

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