Refactored price import
Refactored price import
Refactored price import
Merge branch 'master' into task/refactor_price_import
Merge branch 'task/refactor_metric_import' into task/refactor_price_import
Merge branch 'master' into task/refactor_price_import
Fixed unit tests
Fixed behat
Merge branch 'master' into task/refactor_price_import
Fixed tests
Updated changelog
Merge pull request #625 from akeneo/task/refactor_price_import

Task/refactor price import