Refactor all calls of p::clean() to SafeString::of() and p::purify() to SafeString::purify().

Removing any p::clean() calls for arguments to t() and t2() since their args are wrapped in a SafeString anyway.

modules/comment/views/comments.html.php

@@ -12,16 +12,16 @@
       <a href="#">
         <img src="<?= $comment->author()->avatar_url(40, $theme->url("images/avatar.jpg", true)) ?>"
              class="gAvatar"
-             alt="<?= p::clean($comment->author_name()) ?>"
+             alt="<?= SafeString::of($comment->author_name()) ?>"
              width="40"
              height="40" />
       </a>
       <?= t('on %date <a href="#">%name</a> said',
             array("date" => date("Y-M-d H:i:s", $comment->created),
-                  "name" => p::clean($comment->author_name()))); ?>
+                  "name" => SafeString::of($comment->author_name()))); ?>
     </p>
     <div>
-      <?= nl2br(p::purify($comment->text)) ?>
+      <?= nl2br(SafeString::purify($comment->text)) ?>
     </div>
   </li>
   <? endforeach ?>