Git commits in Moodle 3.7.0 by Binh Thai

commit 658bf9d5543f91720756f9b0a665d74952fcbb2c
Author: Binh Thai <binh.thaigia@nashtechglobal.com>
Date:   Thu, 17 Jan 2019 10:18:20 +0800
Tag:    v3.7.0-beta

MDL-64291 GDPR export: Context paths can be very long, not unique