R1:7a97a71e2002

Move Herald application capabilities to newer infrastructure

Summary: Ref T603. Use the new hotness.

Test Plan: Edited Herald in Applications, tried to create rules / global rules without capabilities, got reasonable error messages.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T603

Differential Revision: https://secure.phabricator.com/D7263