Summary:
See D3572.
- Make "Diviner" show up on `/applications/`.
- Give it a landing page with links to documentation.
I have a parital port of Diviner proper into Phabricator in a branch, but it's a big chunk of work away from being landable.
Test Plan: Viewed `/applications/`, saw Diviner, clicked it, got documentation links.
Reviewers: vrana, btrahan
Reviewed By: vrana
CC: aran
Differential Revision: https://secure.phabricator.com/D3580
