Generate expected schemata for Fact, Owners, Herald and Diviner

Summary:
Ref T1191. Notable:

• HeraldApplyTranscript is not actually a DAO and has no table (it is serialized into HeraldTranscript).

Test Plan: Down to fewer than 300 issues.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1191

Differential Revision: https://secure.phabricator.com/D10588