Summary:
Ref T10411. This cleans up / modernizes things and lets me get an `almanac.network.edit` API in the future.
This is mostly straightforward, except that Services have an extra "choose type" screen in front of them.
Test Plan:
- Created and edited Almanac networks, services, and devices.
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T10411
Differential Revision: https://secure.phabricator.com/D15326
