Add models and managers based on sample app
Add generic view for creating payment profiles
Fix URL patterns import
Consolidate tests into single app
Move authorizenet.tests app to tests
Greatly simplify payment profile creation view
Simplify generic view further
Verify correct request data sent for generic view
Fixup code style in generic view
Rename payment profile creation template
Merge authorizenet.customers into authorizenet
Move payment profile creation logic into form
Add generic view to update payment profile
Add missing test_data module
Add missing test template
Test payment profile data in update view
Move more logic from managers/forms into models
Split tests into separate files
Add user to customer payment profile models
Always create payment profile directly in form