Author: Andrew Nicols
MDL-61307 core_privacy: Implementation of itself
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fbb3918ebe6bf19bd4fde75f9cad5fac23a81fbb
http://github.com/moodle/moodle/commit/fbb3918ebe6bf19bd4fde75f9cad5fac23a81fbb
+ 3.3 en [privacy:metadata,privacy]