Git commits in Moodle 3.6.2 by Amaia Anabitarte

commit 844a59c301635fcd900a9f450ce99e14bcf2465f
Author: Amaia Anabitarte <amaia@moodle.com>
Date:   Wed, 19 Dec 2018 18:40:16 +0800
Tag:    v3.6.2

MDL-64400 core_messages: Mark notifications sent via email as read


commit f10c2934aaf0e105aa49b97e77f9a1b2c5f23db8
Author: Amaia Anabitarte <amaia@moodle.com>
Date:   Fri, 14 Dec 2018 23:14:32 +0800
Tag:    v3.6.2

MDL-64400 core_messages: Allow cron to delete unread notifications too


commit 7b11b53d5167316a786e49716865207b4d6d1c62
Author: Amaia Anabitarte <amaia@moodle.com>
Date:   Wed, 12 Dec 2018 02:06:52 +0800
Tag:    v3.6.2

MDL-60518 core_competency: Set $USER global variable for tests


commit 00302ce7a2d1d3b4e9b17a70553548a495f95de3
Author: Amaia Anabitarte <amaia@moodle.com>
Date:   Tue, 11 Dec 2018 18:41:52 +0800
Tag:    v3.6.2

MDL-64003 core_message: Use sql_like_escape() in message_search_users