Git commits in Moodle 3.4.0 by Devang Gaur

commit 4ddf7c6025266271c5a01576b712c42af78f3afe
Author: Devang Gaur <devang.only@gmail.com>
Date:   Fri, 31 Mar 2017 22:28:40 +0800
Tag:    v3.4.0-beta

MDL-55548 course: added timemodified field to course_sections table