Author: Jason Fowler
MDL-29469 Enrolments - fixing the role assignment access elevation issue
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fd8fa80599c6b3550ad36c0634945d3ba9a2ca39
http://github.com/moodle/moodle/commit/fd8fa80599c6b3550ad36c0634945d3ba9a2ca39
+ 2.1 en [role,enrol_self]