Git commits in Moodle 3.1.8 by Dan Poltawski

commit 0faa1175fe5ebf78846290eb1ade54cde9288639
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 20 Jul 2017 20:21:01 +0800
Tag:    v3.1.8

weekly release 3.1.7+

commit ab4afd711a526215805e526d6b0a7c9bf5b40958
Author: Dan Poltawski <dan@moodle.com>
Date:   Fri, 14 Jul 2017 18:46:55 +0800
Tag:    v3.1.8

weekly release 3.1.7+

commit cd7cd469ae6f3ec3db7194f305e0183d11670544
Author: Dan Poltawski <dan@moodle.com>
Date:   Fri, 09 Jun 2017 18:49:00 +0800
Tag:    v3.1.8

MDL-57432 environment: raise Moodle requirement

commit 43d1a8695c548df70e218a3648bd6797797b90a0
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 08 Jun 2017 18:15:55 +0800
Tag:    v3.1.8

MDL-57432 environment: raise Moodle 3.4 requirements

commit 499e6198687cdc2908608c23b1ef54339c7a060a
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 08 Jun 2017 18:12:27 +0800
Tag:    v3.1.8

MDL-57432 environment: 3.4 base information