Add OptionValue promotion rule.
Make promotion for option value actionable if any of the option values match, instead of requiring they all match
Merge pull request #143 from bonobos/option_value_promotion_or

Make promotion for option value actionable if any of the option values match, instead of requiring they all match
Fix for Promotion::Rules::Product

Using Promotion::Rules::Product rules with line item actions (Promotion::Actions::CreateItemAdjustments) was broken when the match_policy was "none".

Conflicts:
	core/spec/models/spree/promotion/rules/product_spec.rb

cherry-picked from 31c76556143263c254ff813f67535d3b268b92b4 in spree master

Closes #142
Prevent return authorization creation for inventory units that have already been exchanged
Bump activemerchant to 1.44.1
Merge pull request #145 from bonobos/bump-activemerchant

Bump activemerchant to 1.44.1
Merge pull request #144 from bonobos/only-exchange-item-once

Prevent return authorization creation for inventory units that have alre...
Better gateway error handling during refund creation
Merge pull request #146 from bonobos/refund-unsettled-transaction-error

Better gateway error handling during refund creation
Allow customers to create a return authorization through the API

Changes the authorization logic to allow the order’s owner to create a new return authorization.