Author: Paul Holden
MDL-76591 comment: implement new management interface elements.
Convert existing JS modules, call existing external service for
comment deletion.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=35f384706422b62337355957e82631157f30ab86
http://github.com/moodle/moodle/commit/35f384706422b62337355957e82631157f30ab86
+ 4.2 en [confirmdeletecomments,core_admin]