R1:167da4ec525e

Move Almanac Services to EditEngine

Summary: Ref T10449. This modernizes the service creation/editing flow and updates the list view code a little bit.

Test Plan:
- Created a service.
- Edited a service.
- Browsed services.
- Hit policy exception for editing cluster services with no permission.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10449

Differential Revision: https://secure.phabricator.com/D15398