update mapping to allow any customer class in the order
remove PricingSet, replace with Price
more PricingSet related clean up
update namespace for specs in ProductMgr
clarify the message if the class does not exist
Adjusted order manipulator to use setCustomer instead of setOwner
add mongodb mapping for SKUIdentifier
SkuIdentifier filename is wrong, remove it
updated filename
update specifications to deal with hydration
Merge branch 'master' of github.com:iampersistent/commerce