(Don't require this even though people really should update) This reverts commit 72128a3.
…ttings include: * :allow_backorder_shipping == false * :track_inventory_levels == true * :create_inventory_units == true This raises and error now preventing the checkout and redirects to cart_path
…_name. SpeImproved ruby conventions on has_stock? and has_variants? methods.
This reverts commit a8fdb7d.
to maintain backward-compatability with Ruby 1.8 [Fixes #634]