Git commits in Moodle 3.8.5 by David Mudrák

commit e271e28e7831d40fa3d4a90f196ec0987c91f792
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 May 2020 20:14:07 +0800
Tag:    v3.8.5

MDL-68647 forum: Add index over posts privatereplyto field


commit 9cfcb4bf8ab7c63292282907107392b51eedcb62
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 May 2020 03:06:28 +0800
Tag:    v3.8.5

MDL-68647 forum: Improve the SQL performance in the privacy provider


commit f25f8f07010f945db53cd0fef37c4f7d76dca8fd
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 May 2020 03:04:18 +0800
Tag:    v3.8.5

MDL-68647 forum: Add missing advanced grading library inclusion


commit b89ebd255c22822aac4b4a7416dd93938c2de278
Author: David Mudrák <david@moodle.com>
Date:   Wed, 29 Apr 2020 21:34:02 +0800
Tag:    v3.8.5

MDL-68558 admin: Allow to go back to plugins check page on failed deps