* Added optional token insertion for comment notification

(moderation) e-mails, which you can click without the need
      for authentication. This is a convenience feature, note that
      if someone can access your mails, he does not need to authenticate
      for deleting/approving a comment with the contained link.

lang/serendipity_lang_fa.inc.php

@@ -918,3 +918,9 @@
 @define('COMMENT_MODERATED', 'Comment #%s has successfully been set as moderated');
 @define('CENTER', 'center');
 @define('FULL_COMMENT_TEXT', 'Yes, with full comment text');
+
+@define('COMMENT_TOKENS', 'Use Tokens for Comment Moderation?');
+@define('COMMENT_TOKENS_DESC', 'If tokens are used, comments can be approved and deleted by clicking the email links without requiring login access to the blog. Note that this is a convenience feature, and if your mails get hijacked, those people can approve/delete the referenced comment without further authentication.');
+@define('COMMENT_NOTOKENMATCH', 'Moderation link has expired or comment #%s has already been approved or deleted');
+@define('TRACKBACK_NOTOKENMATCH', 'Moderation link has expired or trackback #%s has already been approved or deleted');
+@define('BADTOKEN', 'Invalid Moderation Link');