Fix XHProf index page

Summary:
Ref T2870. This resolves a few issues:

  - No proper Application. Define one.
  - Routes are in the default controller. Move them to the application.
  - UI doesn't work on mobile.
  - Overescaping in the link column.

Test Plan:
Old page:

{F38444}

New page:

{F38445}

Reviewers: btrahan, chad

Reviewed By: chad

CC: aran, AnhNhan, edward

Maniphest Tasks: T2870

Differential Revision: https://secure.phabricator.com/D5531

src/aphront/configuration/AphrontDefaultApplicationConfiguration.php

@@ -68,11 +68,6 @@ class AphrontDefaultApplicationConfiguration
         ),
       ),
 
-      '/xhprof/' => array(
-        'list/(?P<view>[^/]+)/' => 'PhabricatorXHProfSampleListController',
-        'profile/(?P<phid>[^/]+)/' => 'PhabricatorXHProfProfileController',
-      ),
-
       '/~/' => array(
         '' => 'DarkConsoleController',
         'data/(?P<key>[^/]+)/' => 'DarkConsoleDataController',