Git commits in Moodle 3.1.5 by Marina Glancy

commit 36706f5b983a057f156f87b3de104569b82ddf03
Author: Marina Glancy <marina@moodle.com>
Date:   Sat, 04 Mar 2017 12:22:12 +0800
Tag:    v3.1.5

MDL-58010 user: allow to update only whitelisted preferences


commit c1ee0772ff6c35387dd3b81c76a3d6439af3e0be
Author: Marina Glancy <marina@moodle.com>
Date:   Wed, 08 Feb 2017 16:46:48 +0800
Tag:    v3.1.5

MDL-55547 tool_monitor: fix exceptions when course was deleted


commit 6608a30b156a00f6abcee5ad104f3d75e8227e0e
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 10 Jan 2017 14:08:04 +0800
Tag:    v3.1.5

MDL-56271 mod_feedback: recaptcha was not working


commit bb21b0ad5767a5c7c5c60bbae5c26d99b8c37d6c
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 10 Jan 2017 11:20:26 +0800
Tag:    v3.1.5

MDL-50770 blocks: copy sitewide blocks positions when cloning dashboards