update unit test
bump composer.lock, update composer, add datafixture bundle, allow creating test data from yaml files, update entity
update config_dist, update some entity
update productCategory entity to be nested set
update config to add nestedset support
update USPS
Update UPS + USPS carrier
merged, add inventory and pricing updates
fix entity shipmentItemFeature
merged, rebuild entity, update inventory component
update UPS + Request
merging
merged 22/03