PIM-837 : Add VariantGroup form type and define a specific method in the attribute repository
PIM-837 : Define handler for Variant group
PIM-837 : Implements variant group creation
PIM-837 : Add validation on variant group entities
PIM-836 : Fix issue on VariantGroup mapping
PIM-836 : Add behat feature for browse feature
PIM-836 : Add locale manager on variant group datagrid manager
PIM-836 : Add behat scenario to filter variant datagrid
PIM-836 : Add behat scenario for variant sorting on datagrid
PIM-836 : Add a variant manager
PIM-837 : Clean variant group form type
PIM-836 : Finish implementation of variant group manager
PIM-836 : Unskip some behat scenarios
PIM-836 : Clean code
Clean up on product create view
PIM-837 : Add style for variant create view
PIM-837 : Replace response by JsonResponse when create an entity
Remove useless methods
PIM-837 : Start create variant feature addition
PIM-837 : Rollback to the return json_encode Response instead of return JsonResponse