Summary: Ref T988. Ref T2625. Rough cut of ApplicationSearch in Diviner, for detailed Atom queries. This isn't useful yet, and isn't linked in the UI.
Test Plan: {F44836}
Reviewers: btrahan, chad
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T988, T2625
Differential Revision: https://secure.phabricator.com/D6094
