Git commits in Moodle 3.5.1 by Huong Nguyen

commit 612c7186967a4ab639ab783a0e81def1ef107d6a
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Thu, 31 May 2018 18:56:54 +0800
Tag:    v3.5.1

MDL-62597 Privacy: Request date column should include time

commit 888cfdc75fba901ea6fcab1a9bec986f5c21c289
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Thu, 31 May 2018 15:29:18 +0800
Tag:    v3.5.1

MDL-62614 Privacy: Core tag provider delete_item_tags function not work

commit e6e7a8508773b03c5e6f4c508d865b40b3846608
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Tue, 22 May 2018 17:09:52 +0800
Tag:    v3.5.1

MDL-62358 Question: Improve number function