R1:85d2fda08259

First stab at a badges typeahead

Summary: Ref T10702

Test Plan: Open a user profile, attempt to award an archived or previously awarded badge, badges dialog should provide a typeahead, and the suggestions should offer details about whether a badge is archived or already awarded.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin

Maniphest Tasks: T10702

Differential Revision: https://secure.phabricator.com/D15665