R1:69d5a9af58aa

Use Application PHIDs in Projects

Summary: Ref T2715. Move Projects to the new stuff.

Test Plan: Used `phid.query` to load projects.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2715

Differential Revision: https://secure.phabricator.com/D6526