Git commits in Moodle 3.1.3 by Tony Butler

commit 73792e3ff23fb49bab0c2d2e0174e74e07cf28c9
Author: Tony Butler <tonyjbutler@gmail.com>
Date:   Mon, 10 Oct 2016 23:07:50 +0800
Tag:    v3.1.3

MDL-56345 assignfeedback_editpdf: Use correct strings for tool alt text


commit 76e4c52a2f65d28a2811293f030056a52d763c95
Author: Tony Butler <tonyjbutler@gmail.com>
Date:   Wed, 21 Sep 2016 21:49:30 +0800
Tag:    v3.1.3

MDL-56062 mod_assign: Use $gradeitem->get_decimals() for grade display