Git merges in Moodle 3.4.8 by Eloy Lafuente (stronk7)

commit acd27d90c8710a95a58b59266514a28d2e98f375
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 12 Feb 2019 00:06:15 +0800
Tag:    v3.4.8

Merge branch 'MDL-64725-34' of git://github.com/junpataleta/moodle into MOODLE_34_STABLE


commit 398c4c107dc96f9cf6f2d715f0925925b298c1a6
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 01 Feb 2019 05:47:07 +0800
Tag:    v3.4.8

Merge branch 'MDL-64737-34-attoprivacysql' of git://github.com/mudrd8mz/moodle into MOODLE_34_STABLE


commit 16045c48463e70ec2be8748d461381394acb7139
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Wed, 30 Jan 2019 06:48:55 +0800
Tag:    v3.4.8

Merge branch 'MDL-64424-34-expiredfrontpage' of git://github.com/mudrd8mz/moodle into MOODLE_34_STABLE