Git commits in Moodle 3.4.0 by Abdullah Albanyan

commit b56dc2a1096c95581928443e429408f111402ef6
Author: Abdullah Albanyan <abalbanyan@hotmail.com>
Date:   Sat, 09 Sep 2017 07:13:51 +0800
Tag:    v3.4.0-beta

MDL-60002 js: Added a 'Save and show next' button to grading interface.