Author: lameze
MDL-63064 block_starredcourses: implement null provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b9c56f82a17dddd31000304ac32eb9f504b57a3c
http://github.com/moodle/moodle/commit/b9c56f82a17dddd31000304ac32eb9f504b57a3c
+ 3.6 en [privacy:metadata,block_starredcourses]