PIM-2312: Create new kind of quick export
PIM-2312: Define product quick export as product_quick_export
PIM-2312: Override quickExportCallback for product
PIM-3208: Remove product export handler
PIM-2307: Add method to get attributes to export
PIM-2308: Prepare fields list for export
PIM-2310: Batch method to get results
PIM-2310: Define data to export as homogeneous
PIM-2321: Fix value export with already defined headers
Merge branch 'master' into PIM-2312
PIM-2312: Make behat scenarios pass
Fix PHPCS
PIM-2312: Add groups to product export
PIM-2320: Fix quick export for associations and prices
PIM-2312: Create AssociationTypeManager
Merge branch 'master' into PIM-2312
PIM-2312: Clean product repository to get all product
PIM-2312: Update ProductRepository interface
PIM-2312: Add php doc on association type manager
PIM-2312: Clean PR