Rename PhabricatorApplication subclasses

Summary: Ref T5655. Some discussion in D9839. Generally speaking, `Phabricator{$name}Application` is clearer than `PhabricatorApplication{$name}`.

Test Plan:
# Pinned and uninstalled some applications.
# Applied patch and performed migrations.
# Verified that the pinned applications were still pinned and that the uninstalled applications were still uninstalled.
# Performed a sanity check on the database contents.

Reviewers: btrahan, epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: hach-que, epriestley, Korvin

Maniphest Tasks: T5655

Differential Revision: https://secure.phabricator.com/D9982

src/applications/dashboard/controller/PhabricatorDashboardManageController.php

@@ -125,7 +125,7 @@ final class PhabricatorDashboardManageController
       ->loadOneWhere(
         'objectPHID = %s AND applicationClass = %s',
         $viewer->getPHID(),
-        'PhabricatorApplicationHome');
+        'PhabricatorHomeApplication');
     if ($installed_dashboard &&
         $installed_dashboard->getDashboardPHID() == $dashboard->getPHID()) {
       $title_install = pht('Uninstall Dashboard');
@@ -174,4 +174,5 @@ final class PhabricatorDashboardManageController
 
     return $properties;
   }
+
 }