Git commits in Moodle 3.6.3 by cescobedo

commit 9779a220fa4235b8fa361d97e46f1fd7b3bfd483
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Mon, 04 Mar 2019 06:23:04 +0800
Tag:    v3.6.3

MDL-64342 core_message: make ajax call when privacy setting is changed

commit 1796fe149424fa3aa83341005b6ef2b9be3dbf66
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Tue, 12 Feb 2019 07:43:21 +0800
Tag:    v3.6.3

MDL-64571 core_message: Fix duplicate footer in msg notification email

commit 63b1eaf29c86476e9ad7b47e011f71ad8075b64d
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Tue, 05 Feb 2019 19:51:34 +0800
Tag:    v3.6.3

MDL-64714 core_auth: Fix early break foreach in delete_data_for_user