Normalize casing on property boxes

Summary: Going to render these all normal case instead of all caps, and bump up the font size. Should be more consistent. Yellow if you green anything orange.

Test Plan: grep, lint

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15645

src/applications/differential/controller/DifferentialRevisionViewController.php

@@ -480,7 +480,7 @@ final class DifferentialRevisionViewController extends DifferentialController {
     }
 
     $header = id(new PHUIHeaderView())
-      ->setHeader(pht('DETAILS'));
+      ->setHeader(pht('Details'));
 
     return id(new PHUIObjectBoxView())
       ->setHeader($header)