Provide a "default moderate" option for comments. The default behavior

is unchanged, but you now have the option to set all new comments to
be unpublished and then moderate them through the Admin > Content >
Comments interface.

Fixes #2126.

modules/comment/views/comment.html.php

@@ -1,5 +1,5 @@
 <?php defined("SYSPATH") or die("No direct script access.") ?>
-<li id="g-comment-<?= $comment->id; ?>">
+<li id="g-comment-<?= $comment->id; ?>" class="g-comment-state-<?= $comment->state ?>">
   <p class="g-author">
     <a href="#">
       <img src="<?= $comment->author()->avatar_url(40, $theme->url("images/avatar.jpg", true)) ?>"
@@ -22,4 +22,7 @@
   <div>
   <?= nl2br(html::purify($comment->text)) ?>
   </div>
+  <? if ($comment->state == "unpublished"): ?>
+  <b> <?= t("Your comment is held for moderation. The site moderator will review and publish it.") ?> </b>
+  <? endif ?>
 </li>