R1:a717d7db339b

Add Conduit and Herald applications

Summary: See D3572. Adds applications for Conduit and Herald.

Test Plan: Viewed `/applications/`, saw applications. Clicked buttons, got to applications.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran

Differential Revision: https://secure.phabricator.com/D3578