R1:0c9ecf835166

Update Phortune Merchant to EditEngine

Summary: Converts PhortuneMerchant to EditEngine.

Test Plan: Edits existing merchants fine, same issue as Conpherence when making new ones with permissions.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D16750