Author: Paul Holden
MDL-79139 check: clarify default user role action text.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c5967dd7d0c8a9bded22b6a2a3b6b5f8d4174f34
http://github.com/moodle/moodle/commit/c5967dd7d0c8a9bded22b6a2a3b6b5f8d4174f34
+ 4.1 en [definitionofrolex,core_role]