* Add columns for TransferData in Domain and Contact
* Rename flyway file and foreign key
* Rebase on master and address comment
* Compileable commit
* Fix unit test
* Refactor TransferServerApproveEntity
* Use tm().delete(vkeys)
* Rename transfer_period fields
* Rename client_id to registrar_id
* Rebase on master
* Resolve comment
* Rebase on master