Git commits in Moodle 3.5.2 by cescobedo

commit 7985a77474d54dbed83fdd8c35e41d47def8245c
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Thu, 16 Aug 2018 15:08:38 +0800
Tag:    v3.5.2

MDL-57741 enrol_lti: Add Launch URL to Published as LTI tools

commit b5282bfb6753afd8eff44739acc5eb59fe690a8e
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Wed, 18 Jul 2018 02:59:48 +0800
Tag:    v3.5.2

MDL-62919 auth_shibboleth: Use the right shibboleth_auth_instructions