update subscription fabricator
clean up order_sepc
added delivery_spec
delegate delivery attributes to the customer, on the order object.
s/address/street_address/
And remove summary
added delivery_spec
Cleaned up tests and relationships.
Merge branch 'clean_slate'

Conflicts:
	app/models/delivery.rb
	spec/models/delivery_spec.rb
	spec/models/order_spec.rb
all tests green
Update the Delivery view on ActiveAdmin to include all the information I need to package a delivery.