Summary: Ref T7303. This inches toward properly-behaved cluster logout. - Use IDs instead of PHIDs in URIs. - Slightly more modern code. - Fix some crumb stuff. Test Plan: Created, edited, viewed, deleted, showed secret for, authorized, test-auth'd an application. Reviewers: chad Reviewed By: chad Maniphest Tasks: T7303 Differential Revision: https://secure.phabricator.com/D15592