Summary: Ref T2015. These never got updated to the new stuff, move them out of the old `Constants` class and let them load handles, etc. Also some half-cleanup of some Blueprint/BlueprintImplementation stuff. Test Plan: Used `phid.query` to query a Resource, Lease, and Blueprint. Reviewers: btrahan Reviewed By: btrahan CC: hach-que, aran Maniphest Tasks: T2015 Differential Revision: https://secure.phabricator.com/D7828