Git commits in Moodle 3.4.x by vinhle

commit b7236f9fdbaef884b041adad5c8d8678cd2dafb3
Author: vinhle <lethevinh.qng@gmail.com>
Date:   Mon, 23 Apr 2018 15:51:10 +0800
Tag:    v3.4.3

MDL-61715 question: qbank_chooser is not intelligent about headings

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