Add more icon choices to Badges

Summary: Ref T9010. This adds more icons and lets the IconChooser handle more icons more easier.

Test Plan: Test Project Icons, Badges Icons

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9006, T9010

Differential Revision: https://secure.phabricator.com/D17456