Git commits in Moodle 3.2.6 by Vervoort, Claude

commit 44b817cf603f968d018600588c9eb9e283078ce3
Author: Vervoort, Claude <claude.vervoort@cengage.com>
Date:   Tue, 31 Oct 2017 21:57:38 +0800
Tag:    v3.2.6

MDL-60007 mod lti: allow delete without content-type