https://github.com/ilyakatz/data-migrate https://github.com/ilyakatz/data-migrate and for seeding data https://github.com/pboling/seed_migration https://github

https://github.com/ilyakatz/data-migrate https://github.com/ilyakatz/data-migrate and for seeding data https://github.com/pboling/seed_migration https://github.com/pboling/seed_migration