Author: Jason Fowler
MDL-29469 Enrolments - fixing the role assignment access elevation issue
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2232cbb2b57ae28476c9bf1364b37fc70faa108e
http://github.com/moodle/moodle/commit/2232cbb2b57ae28476c9bf1364b37fc70faa108e
+ 2.0 en [role,enrol_self]