Rename all ProfilePanels into ProfileMenuItems

Summary: Ref T11957.

Test Plan:
  - Viewed an existing project profile.
  - Viewed a user profile.
  - Created a new project.
  - Edited a profile menu.
  - Added new profile items.
  - Grepped for renamed symbols.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11957

Differential Revision: https://secure.phabricator.com/D17028

src/applications/project/controller/PhabricatorProjectBoardController.php

@@ -6,7 +6,7 @@ abstract class PhabricatorProjectBoardController
   protected function getProfileMenu() {
     $menu = parent::getProfileMenu();
 
-    $menu->selectFilter(PhabricatorProject::PANEL_WORKBOARD);
+    $menu->selectFilter(PhabricatorProject::ITEM_WORKBOARD);
     $menu->addClass('project-board-nav');
 
     return $menu;