Git commits in Moodle 3.6.x by Sergio Rabellino

commit adeff60562525ac329392ce601652b51787f4a84
Author: Sergio Rabellino <sergio.rabellino@di.unito.it>
Date:   Thu, 28 Jun 2018 15:21:38 +0800
Tag:    v3.6.0-beta

MDL-61403 filter: Fix for the nolink tag ignored