Summary: For Diffusion's auditors list, and Differential's reviewers list (eventually). An inline option might make more sense in Differential, but I want to use this in Diffusion first, and we need more information there.
Test Plan: {F51424}
Reviewers: chad, btrahan
Reviewed By: btrahan
CC: aran
Differential Revision: https://secure.phabricator.com/D6559
