Update forms to use PHUIFormBoxView

Summary: Some more callsites, let me know if you see others, I think think is 98% of them now.

Test Plan: tested each page

Reviewers: epriestley, btrahan

Reviewed By: btrahan

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6814

src/applications/diffusion/controller/DiffusionCommitEditController.php

@@ -81,13 +81,13 @@ final class DiffusionCommitEditController extends DiffusionController {
       ->addCancelButton('/r'.$callsign.$commit->getCommitIdentifier());
     $form->appendChild($submit);
 
-    $header = new PhabricatorHeaderView();
-    $header->setHeader(pht('Edit Diffusion Commit'));
+    $form_box = id(new PHUIFormBoxView())
+      ->setHeaderText($page_title)
+      ->setForm($form);
 
     return $this->buildApplicationPage(
       array(
-        $header,
-        $form,
+        $form_box,
       ),
       array(
         'title' => $page_title,