Attach commit data to commit list on people

Summary: Fixes T12360. I'll probably make a non-audit commit list for this, maybe, eventually, until then add all the needed audit information.

Test Plan: Review commits in my profile, see data and not a fatal.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T12360

Differential Revision: https://secure.phabricator.com/D17475