R1:43b35a02ceba

Use hybrid properties + search for Releeph branches, too

Summary: Ref T3092. Same deal as D6771, but for branches rather than projects.

Test Plan: {F54855}

Reviewers: btrahan, chad

Reviewed By: chad

CC: chad, aran

Maniphest Tasks: T3092

Differential Revision: https://secure.phabricator.com/D6775