Add to cart page does not allow the user to add a product from an order cycle that cannot supply the cart's products
Name blank order cycle option
Remove spork

Conflicts:

	Gemfile
	Gemfile.lock
WIP Move orders#populate logic to OrderPopulator class
Refactor OrderPopulator, add outside level spec
Add spec for OrderPopulator#attempt_cart_add
Add spec for OrderPopulator#load_distributor_and_order_cycle
Add spec for OrderPopulator#set_cart_distributor_and_order_cycle
Add spec for OrderPopulator#distributor_can_supply_products_in_cart
Add specs for OrderPopulator#check_distribution_provided_for and distribution_provided_for