Author: Petr Skoda
MDL-32735 add missing message provider info for unmaintained enrol_authorize
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fee082d56c9333d21a7cbeb33adbf9fd1a3f22b8
http://github.com/moodle/moodle/commit/fee082d56c9333d21a7cbeb33adbf9fd1a3f22b8
+ 2.2 en [messageprovider:authorize_enrolment,enrol_authorize]