Git commits in Moodle 3.3.1 by Eloy Lafuente (stronk7)

commit 5341d76031aa359a1e849f4f7c628e8e7d873f78
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 27 Jun 2017 01:45:05 +0800
Tag:    v3.3.1

MDL-58813 phpunit: pick test from 32_STABLE to fix expected behavior

commit 9bcb6e1beca3bd9661d62979d2d0f7401284ea58
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 13 Jun 2017 15:59:52 +0800
Tag:    v3.3.1

MDL-46322 database: alias sort fields to avoid ambiguous naming

commit 906b385784449bf62ffd50fa313f4bc3d478058c
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 16 May 2017 08:04:27 +0800
Tag:    v3.3.1

MDL-58933 upgrade: add 3.3.0 separation line to all upgrade scripts