Git commits in Moodle 3.1.13 by Matteo Scaramuccia

commit 81d5b794d079991d0922f30adb72b04ea4cb52e9
Author: Matteo Scaramuccia <me@matteoscaramuccia.com>
Date:   Tue, 22 May 2018 04:50:42 +0800
Tag:    v3.1.13

MDL-61893 JavaScript: Accept any node version but Carbon (LTS)