Update Settings/Config UI

Summary: Testing out a new 'nav' layout in Settings / Config. Spent a few days here and couldn't find much better overall.

Test Plan: View each page in Settings and in Config. Save some config options. Test mobile, desktop, tablet.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15659

src/applications/config/controller/PhabricatorConfigAllController.php

@@ -58,15 +58,19 @@ final class PhabricatorConfigAllController
     $panel->setHeaderText(pht('Current Settings'));
     $panel->setTable($table);
 
-
     $nav = $this->buildSideNavView();
     $nav->selectFilter('all/');
-    $nav->setCrumbs($crumbs);
-    $nav->appendChild($panel);
+
+    $view = id(new PHUITwoColumnView())
+      ->setNavigation($nav)
+      ->setMainColumn(array(
+        $panel,
+      ));
 
     return $this->newPage()
       ->setTitle($title)
-      ->appendChild($nav);
+      ->setCrumbs($crumbs)
+      ->appendChild($view);
 
   }