Summary:
Fixes T10011.
- Modernize searching for buildables.
- Prepare for `harbormaster.buildable.search`.
- Allow users to query by status (see T10011).
- Collapse the four weird "commit / diff / revision / repository" fields into two slightly less weird fields with more UI hinting?
Test Plan: {F1131918}
Reviewers: chad
Reviewed By: chad
Subscribers: Luke081515.2
Maniphest Tasks: T10011
Differential Revision: https://secure.phabricator.com/D15356
c29ba039bb