Homestyx hydra

R1:4005bff56702

Implement function-driven logical project queries in Differential

Summary:
Ref T4100. Ref T5595. This implements these fields in one mega-field:

- Projects
- Not in projects
- In any project
- Include results in no projects
- In users' projects

Hopefully, this is a step in the right direction.

Test Plan: {F375555}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: joshuaspence, chad, epriestley

Maniphest Tasks: T4100, T5595

Differential Revision: https://secure.phabricator.com/D12463
Repository: R1 hydra
Commit Date: Apr 20 2015