Author: David Woloszyn
MDL-80571 tiny_premium: Premium plugins can be individually enabled
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a95ac513bf7d98aeb3dea740a789c95e9e2c0835
http://github.com/moodle/moodle/commit/a95ac513bf7d98aeb3dea740a789c95e9e2c0835
+ 4.4 en [apikey_desc,tiny_premium]