PIM-1393 : remove variant group mapping
PIM-1393 : add variant group code constant
PIM-1393 : display many groups for a product
PIM-1393 : disable variant group filter for now
PIM-1393 : refactor variant group controller
PIM-1393 : remove useless sprintf
PIM-1393 : refactor variant group to product datagrid manager
PIM-1393 : fix product binding
PIM-1393 : add product count in group edit view
PIM-1393 : use the same bind subscriber than for the simple group
PIM-1393 : normalize product form field
PIM-1373 : remove useless subscriber
PIM-1393 : fix has product default sort
PIM-1393 : refactor group type and group data fixtures and update demo
bundle reference
PIM-1393 : fix group type to handle form type changes
PIM-1393 : refactor group type and attribute is removable method
PIM-1393 : remove STA
PIM-1393 : temporary fix for variant group normalizer
PIM-1393 : avoid to use group type code there
PIM-1393 : refactor controller to avoir to prepare grid query there