Author: Andrew Nicols
MDL-61307 core_rating: Add implementation of Privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cbc6325253af8f7e66c90de1ae69543cf5b85141
http://github.com/moodle/moodle/commit/cbc6325253af8f7e66c90de1ae69543cf5b85141
+ 3.5 en [privacy:metadata:rating,core_rating]
+ 3.5 en [privacy:metadata:rating:userid,core_rating]
+ 3.5 en [privacy:metadata:rating:rating,core_rating]
+ 3.5 en [privacy:metadata:rating:timecreated,core_rating]
+ 3.5 en [privacy:metadata:rating:timemodified,core_rating]