Git commits in Moodle 3.6.9 by Brendan Heywood

commit 4aaf81b43d666bf3641a66049fa6d5810d0c9ec1
Author: Brendan Heywood <brendan@catalyst-au.net>
Date:   Fri, 07 Feb 2020 02:27:40 +0800
Tag:    v3.6.9

MDL-67726 tool_phpunit: add missing input escaping


commit b4241111de603ce3076a21d786bec9d1910d9584
Author: Brendan Heywood <brendan@catalyst-au.net>
Date:   Wed, 05 Feb 2020 20:14:39 +0800
Tag:    v3.6.9

MDL-67861 core: Added $CFG->reverseproxyignore IP subnet list


commit c0c1997a6d0da79a8d78856a77f5e86f992fcbd2
Author: Brendan Heywood <brendan@catalyst-au.net>
Date:   Wed, 05 Feb 2020 19:50:20 +0800
Tag:    v3.6.9

MDL-67861 libraries: Refactor is_ip_in_subnet_list in ip_utils


commit 063d798f3792ae287999ffea772bcbddf804611d
Author: Brendan Heywood <brendan@catalyst-au.net>
Date:   Tue, 04 Feb 2020 14:03:47 +0800
Tag:    v3.6.9

MDL-67861 admin: Default $CFG->getremoteaddrconf to only use REMOTE_ADDR


commit 52d5599ff26b4ceec69e8777c5d96d382e31badd
Author: Brendan Heywood <brendan@catalyst-au.net>
Date:   Tue, 04 Feb 2020 13:56:41 +0800
Tag:    v3.6.9

MDL-67861 core: Use last ip in X-Forwarded-For list