Summary: This modernizes and simplifies OAuth client authorizations a bit, moving them to a settings panel similar to the "Sessions" panel.
Test Plan:
- Viewed authorizations.
- Revoked an authorization.
- Created a test authorization.
{F131196}
Reviewers: btrahan
Reviewed By: btrahan
Subscribers: epriestley
Differential Revision: https://secure.phabricator.com/D8561
