Convert phutil_render_tag(X, Y, '...') to phutil_tag

Summary:
Created with spatch:

  lang=diff
  - phutil_render_tag
  + phutil_tag
    (X, Y, '...')

Then searched for `&` and `<` in the output and replaced them.

Test Plan: Loaded homepage.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4503

src/applications/countdown/controller/PhabricatorCountdownListController.php

@@ -28,7 +28,7 @@ final class PhabricatorCountdownListController
       $delete_button = null;
       if ($user->getIsAdmin() ||
           ($user->getPHID() == $timer->getAuthorPHID())) {
-        $edit_button = phutil_render_tag(
+        $edit_button = phutil_tag(
           'a',
           array(
             'class' => 'small button grey',