Git commits in Moodle 3.1.6 by Shamim Rezaie

commit f821c0a5e240bb2396398a2aeeb5960d09cf57d9
Author: Shamim Rezaie <rezaie@foodle.org>
Date:   Thu, 06 Apr 2017 16:27:07 +0800
Tag:    v3.1.6

MDL-32596 tool_xmldb: Updated confirmcheckforeignkeys