R1:c40f6e63ca1c

Update Herald edit/transcripts to modern UI

Summary: Walks through various object, rule, create forms and transcripts in Herald. Slightly nicer looking.

Test Plan: Make rules, see rules, edit rules, see transcripts.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15559