Issue #1332598 by sven.lauer: Clean up API docs for comment module.

core/modules/comment/comment-node-form.js

core/modules/comment/comment-wrapper.tpl.php

core/modules/comment/comment.admin.inc

core/modules/comment/comment.api.php

core/modules/comment/comment.install

core/modules/comment/comment.module

core/modules/comment/comment.pages.inc

core/modules/comment/comment.test

core/modules/comment/comment.tpl.php