Git commits in Moodle 3.1.2 by Jun Pataleta

commit 1d991dcf32986eb05e6b11a9baef0ae3f88d832c
Author: Jun Pataleta <jun@moodle.com>
Date:   Mon, 25 Jul 2016 14:40:45 +0800
Tag:    v3.1.2

MDL-55323 enrol_lti: Remove unused required parameter

commit 2a07ee5c2a3b3a39707c2becbb97a37077f252cd
Author: Jun Pataleta <jun@moodle.com>
Date:   Mon, 18 Jul 2016 13:31:30 +0800
Tag:    v3.1.2

MDL-53152 theme: Add parentheses to variable calculations

commit f4e03e2aa196f62e06d0b5634faa747891862bdd
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 15 Jul 2016 14:52:25 +0800
Tag:    v3.1.2

MDL-55206 admin: Some code cleanup

commit 5e1291cf90071e5a8f4895bd1cb4c005139290cd
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 15 Jul 2016 14:40:54 +0800
Tag:    v3.1.2

MDL-55206 admin: Remove div tags in password policy error message

commit 7b1c27076b5fbd978f0278190f0247e4f9f873a9
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 15 Jul 2016 10:06:51 +0800
Tag:    v3.1.2

MDL-55240 editpdf: Revert changes in MDL-54772

commit bc795079f7abdcd1ba1ce8bd7e8af1f84b0185f9
Author: Jun Pataleta <jun@moodle.com>
Date:   Mon, 04 Jul 2016 15:13:57 +0800
Tag:    v3.1.2

MDL-55112 mod_forum: Query all forum fields to avoid debug messages

commit fee48e90addd13a11a1b1d20af1492e6b9cb07b1
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 09 Jun 2016 16:45:31 +0800
Tag:    v3.1.2

MDL-54879 mod_lti: Add fallback options for error message upon failure