Author: Frederic Massart
MDL-53716 competency: Backup and restore course competency user data
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e9114a9ed469e06585f6ac1b43302cc6571409cf
http://github.com/moodle/moodle/commit/e9114a9ed469e06585f6ac1b43302cc6571409cf
+ 3.1 en [evidence_courserestored,core_competency]