Author: Bence Laky
MDL-51578 enrol_self: Improved error message on late/early enrolments
http://git.moodle.org/gw?p=moodle.git;a=commit;h=933f0d966e8291a212fdcfa39b7679a7a2166d1f
http://github.com/moodle/moodle/commit/933f0d966e8291a212fdcfa39b7679a7a2166d1f
+ 3.0 en [canntenrolearly,enrol_self]
+ 3.0 en [canntenrollate,enrol_self]