Git commits in Moodle 3.6.3 by Binh Thai

commit be3cc9bed3634ebb57a59e6eff5d3b9cfbd11100
Author: Binh Thai <binh.thaigia@nashtechglobal.com>
Date:   Thu, 17 Jan 2019 10:18:20 +0800
Tag:    v3.6.3

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