Git commits in Moodle 3.6.x by Albert Gasset

commit 577fdc3438fad11a7cb3e229db9445fd626833c8
Author: Albert Gasset <albertgasset@fsfe.org>
Date:   Tue, 30 Oct 2018 22:25:58 +0800
Tag:    v3.6.0-beta

MDL-63820 assignfeedback_comments: Implement get_file_areas