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/fact/controller/PhabricatorFactChartController.php

@@ -53,7 +53,7 @@ final class PhabricatorFactChartController extends PhabricatorFactController {
     $y = array_values($points);
 
     $id = celerity_generate_unique_node_id();
-    $chart = phutil_render_tag(
+    $chart = phutil_tag(
       'div',
       array(
         'id' => $id,