Author: Juan Leyva
MDL-60680 notifications: Return custom data in notifications
http://git.moodle.org/gw?p=moodle.git;a=commit;h=36fa0ec900de10f0e330efd223733707acd466b9
http://github.com/moodle/moodle/commit/36fa0ec900de10f0e330efd223733707acd466b9
+ 3.7 en [essayemailmessagesmall,mod_lesson]