minor change to formating in README
clarify that address response cannot have addition properties
remove comments
remove source_href and destination_href when creating a customer
checkout flow for a new buyer
update the shipping information on the order
have first card fail avs
rename
fix incorrect reference
fix syntax error
clean up
ran the tests locally. I swear!
Merge pull request #390 from matin/revision1

New buyer purchases an item
scenario tweaks