Git commits in Moodle 3.5.6 by Nathan Nguyen

commit fe033417a60ef7c32e78ea84df8e29be07189ca8
Author: Nathan Nguyen <nathannguyen@catalyst-au.net>
Date:   Fri, 15 Feb 2019 13:20:14 +0800
Tag:    v3.5.6

MDL-63263 tool_recyclebin: Apply automated backup setting