Move Dashboard panel controllers into a "panel/" subdirectory

Summary:
Depends on D20368. Ref T13272. Dashboards have a lot of controllers, try to organize them a little better.

Note "EditController" vs "EditproController". Yikes.

Test Plan: Loaded dashboards. No code changes.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13272

Differential Revision: https://secure.phabricator.com/D20369

src/__phutil_library_map__.php

@@ -2926,20 +2926,20 @@ phutil_register_library_map(array(
     'PhabricatorDashboardNgrams' => 'applications/dashboard/storage/PhabricatorDashboardNgrams.php',
     'PhabricatorDashboardObjectInstallWorkflow' => 'applications/dashboard/install/PhabricatorDashboardObjectInstallWorkflow.php',
     'PhabricatorDashboardPanel' => 'applications/dashboard/storage/PhabricatorDashboardPanel.php',
-    'PhabricatorDashboardPanelArchiveController' => 'applications/dashboard/controller/PhabricatorDashboardPanelArchiveController.php',
+    'PhabricatorDashboardPanelArchiveController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelArchiveController.php',
     'PhabricatorDashboardPanelCoreCustomField' => 'applications/dashboard/customfield/PhabricatorDashboardPanelCoreCustomField.php',
     'PhabricatorDashboardPanelCustomField' => 'applications/dashboard/customfield/PhabricatorDashboardPanelCustomField.php',
     'PhabricatorDashboardPanelDatasource' => 'applications/dashboard/typeahead/PhabricatorDashboardPanelDatasource.php',
     'PhabricatorDashboardPanelEditConduitAPIMethod' => 'applications/dashboard/conduit/PhabricatorDashboardPanelEditConduitAPIMethod.php',
-    'PhabricatorDashboardPanelEditController' => 'applications/dashboard/controller/PhabricatorDashboardPanelEditController.php',
+    'PhabricatorDashboardPanelEditController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelEditController.php',
     'PhabricatorDashboardPanelEditEngine' => 'applications/dashboard/editor/PhabricatorDashboardPanelEditEngine.php',
-    'PhabricatorDashboardPanelEditproController' => 'applications/dashboard/controller/PhabricatorDashboardPanelEditproController.php',
+    'PhabricatorDashboardPanelEditproController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelEditproController.php',
     'PhabricatorDashboardPanelHasDashboardEdgeType' => 'applications/dashboard/edge/PhabricatorDashboardPanelHasDashboardEdgeType.php',
-    'PhabricatorDashboardPanelListController' => 'applications/dashboard/controller/PhabricatorDashboardPanelListController.php',
+    'PhabricatorDashboardPanelListController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelListController.php',
     'PhabricatorDashboardPanelNgrams' => 'applications/dashboard/storage/PhabricatorDashboardPanelNgrams.php',
     'PhabricatorDashboardPanelPHIDType' => 'applications/dashboard/phid/PhabricatorDashboardPanelPHIDType.php',
     'PhabricatorDashboardPanelQuery' => 'applications/dashboard/query/PhabricatorDashboardPanelQuery.php',
-    'PhabricatorDashboardPanelRenderController' => 'applications/dashboard/controller/PhabricatorDashboardPanelRenderController.php',
+    'PhabricatorDashboardPanelRenderController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelRenderController.php',
     'PhabricatorDashboardPanelRenderingEngine' => 'applications/dashboard/engine/PhabricatorDashboardPanelRenderingEngine.php',
     'PhabricatorDashboardPanelSearchApplicationCustomField' => 'applications/dashboard/customfield/PhabricatorDashboardPanelSearchApplicationCustomField.php',
     'PhabricatorDashboardPanelSearchEngine' => 'applications/dashboard/query/PhabricatorDashboardPanelSearchEngine.php',
@@ -2949,7 +2949,7 @@ phutil_register_library_map(array(
     'PhabricatorDashboardPanelTransactionEditor' => 'applications/dashboard/editor/PhabricatorDashboardPanelTransactionEditor.php',
     'PhabricatorDashboardPanelTransactionQuery' => 'applications/dashboard/query/PhabricatorDashboardPanelTransactionQuery.php',
     'PhabricatorDashboardPanelType' => 'applications/dashboard/paneltype/PhabricatorDashboardPanelType.php',
-    'PhabricatorDashboardPanelViewController' => 'applications/dashboard/controller/PhabricatorDashboardPanelViewController.php',
+    'PhabricatorDashboardPanelViewController' => 'applications/dashboard/controller/panel/PhabricatorDashboardPanelViewController.php',
     'PhabricatorDashboardPortal' => 'applications/dashboard/storage/PhabricatorDashboardPortal.php',
     'PhabricatorDashboardPortalController' => 'applications/dashboard/controller/portal/PhabricatorDashboardPortalController.php',
     'PhabricatorDashboardPortalDatasource' => 'applications/dashboard/typeahead/PhabricatorDashboardPortalDatasource.php',