spree/spree — pull request #5546 by mleglise (2014-10-30 08:22:50+00:00)
Title: Restore accessor method `package.order`

Restore accessor method `package.order`, now computing it based on the first inventory_unit.

Added specs to detect the regression.
This caused significant problems in spree_active_shipping, which relies on `package.order.ship_address`