R1:fdd6351a64a0

Moderize Countdown

Summary:
[DRAFT] Ref T8895. Makes a reasonable attempt at:

- Project Support
- Timeline / History
- Better Search
- Better ObjectItemLists

Test Plan: Needs better testing (I'm sleepy)

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: eadler, epriestley, Korvin

Maniphest Tasks: T8895

Differential Revision: https://secure.phabricator.com/D13660