Summary:
- Add PhabricatorApplication. This is a general class that I have grand designs for, but used here to allow applications to provide objects for analysis by the facts appliction.
- Add FactCursors, to keep track of where iterators are.
- Make the daemon do something sort of useful.
- Add `bin/fact cursors` for showing and managing objects and cursors.
- Add some options to `bin/fact analyze`.
Test Plan:
- `bin/fact cursors`, `bin/fact cursors --reset DifferentialRevision`, `bin/fact cursors --reset X`
- `bin/fact analyze`, `bin/fact analyze --all`, `bin/fact analyze --iterator DifferentialRevision --skip-aggregates`
- `bin/phd debug fact`
Reviewers: vrana, btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T1562
Differential Revision: https://secure.phabricator.com/D3098
