Author: Adrian Greeve
MDL-61307 core_comment: Add implementation of privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5be028ab8218a48c6c21572e0732e4e5c3f6a80e
http://github.com/moodle/moodle/commit/5be028ab8218a48c6c21572e0732e4e5c3f6a80e
+ 3.5 en [commentsubcontext,core_comment]
+ 3.5 en [privacy:metadata:comment,core_comment]
+ 3.5 en [privacy:metadata:comment:content,core_comment]
+ 3.5 en [privacy:metadata:comment:timecreated,core_comment]
+ 3.5 en [privacy:metadata:comment:userid,core_comment]