PIM-3254 : update translation normalizer to avoid extra disabled locales
PIM-3254 : add cases in specs and re-work legacy unit tests
PIM-3254 : deal with versioning cases, all locales provided when no list
in context
Merge pull request #1661 from akeneo/PIM-3254

PIM-3254 : update normalizers to remove disabled locales in exports
PIM-3217 Fix grid filter selector with duplicate group order
Merge pull request #1665 from akeneo/PIM-3217

PIM-3217 Fix grid filter selector with duplicate group order
PIM-3266: Behat scenarios to detect the problem on products
PIM-3266: do not flush skipped items during an import