Make DiffusionCommitSearch accept modern (string) constants
On the API method page, show all the values.
This technically resolves the issue in PHI841, although I still plan to migrate behind this.
- Queried audits, fiddled with ?status=1,audited, etc.
Reviewed By: amckinley
Maniphest Tasks: T13197
Differential Revision: https://secure.phabricator.com/D19651