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be unpublished and then moderate them through the Admin 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/models/comment.php

@@ -81,7 +81,7 @@ class Comment_Model_Core extends ORM {
       // New comment
       $this->created = $this->updated;
       if (empty($this->state)) {
-        $this->state = "published";
+        $this->state = module::get_var("comment", "initial_state");
       }
 
       // These values are useful for spam fighting, so save them with the comment.  It's painful to