R1:abc9bc77b27b

Move Phriction MOVE_TO transaction to Modular Transactions

Summary: Moves this transaction over to modular transactions.

Test Plan: Move a document, re-title a document, try to move over an existing document.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17918