Adding IncomeSource model and tests
Migrating to LeaseApplication model.  Product specs passing.
Store specs passing after LeaseApplication migration.
LeaseApplication working with customer specs
LeaseApplication specs passing again.
Adding Service Layer
Refactoring address model
Changing Address model and Customer model
Adding Address to PaymentProfile
Address specs passing
Fixing Address model and specs
Phone Numbers specs fixed.
Removing "immutable has_many", as it shouldn't exist
Fixing Lease model and spec
Changing directory structure
Passing CreditCard model
Working on Payment Profile refactor
Fixing Payment Profile
Additional PaymentProfile specs changes.
Profile specs passing