R1:3c8029229512

Provide basic fulltext search for Conpherence

Summary: Ref T3165. This needs more work but does the basics.

Test Plan: {F387514}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T3165

Differential Revision: https://secure.phabricator.com/D12588