Add a getExpectedAttributes method
Add attribute code in expected values arrays to prepare diff refactoring
Add getExistingValues method
Remove deprecated case : removing redundant values
Remove unused method
Refactor getExpectedValues to enhance performance and avoid extra
iterations on channels and locales
Fix browse product scenario
Merge branch 'master' into refactor/product_builder
Merge pull request #451 from akeneo/refactor/product_builder

Refactor/product builder
Merge branch 'master' into PIM-865
PIM-865 : add includeSub parameter in product grid request
Merge branch 'PIM-865' of github.com:akeneo/pim-community-dev into PIM-865
Merge branch 'PIM-865' of github.com:akeneo/pim-community-dev into PIM-865