Git commits in Moodle 3.6.2 by Jun Pataleta

commit aa0b2c74dd87bbd684f716ef858f03a924d12a07
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 13 Dec 2018 15:07:24 +0800
Tag:    v3.6.2

MDL-64285 core: Skip 64 bits check for 32-bit PHP versions in unit tests

commit 06b76ab9c8558fc9c88b3a1c4c0e51bd247b3c30
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 30 Nov 2018 14:55:54 +0800
Tag:    v3.6.2

MDL-64285 core: Fix environment check test

commit 6522f66dd7d0f8dea8ceebb2cc27c8cd5ddf54f8
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 18 Oct 2018 15:24:46 +0800
Tag:    v3.6.2

MDL-62922 core_user: Check auth mechanism before validating password