Author: Adrian Greeve
MDL-61307 core_comment: Add implementation of privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d17dc20947a61102464811256872885a170f6bc8
http://github.com/moodle/moodle/commit/d17dc20947a61102464811256872885a170f6bc8
+ 3.3 en [commentsubcontext,core_comment]
+ 3.3 en [privacy:metadata:comment,core_comment]
+ 3.3 en [privacy:metadata:comment:content,core_comment]
+ 3.3 en [privacy:metadata:comment:timecreated,core_comment]
+ 3.3 en [privacy:metadata:comment:userid,core_comment]