PIM-1703 Allow registration of mass edit actions specific to a datagrid
PIM-1703 Register mass edit action using operator instead of grid
PIM-1703 Renamed Action into Operation in the Mass edit context
PIM-1703 Renamed Mass edit action occurences
PIM-1703 Defined an unique mass edit operator name
PIM-1703 Fixed class name inconsistencies
PIM-1703 Display different messages in the wizard given the current mass edit operator
PIM-1703 Redirect to the mass edit config step if only 1 is registered
PIM-1703 Fixed bug introduced by the operator registry
PIM-1703 Fixed mass edit operation namespace in form types
PIM-1703 Implemented the mass family requirement edition initialization
PIM-1703 Created the mass family requirements edition form type
PIM-1703 Created the mass family requirements edition template
PIM-1703 Fixed wizard titles on family mass edition
PIM-1703 Reworked the family mass edition scenario
PIM-1703 Fixed some tests
PIM-1703 Implemented the Family requirement mass operation performing
PIM-1703 Introduced an attr requirement form type option

Allows to display an hidden or checkbox input

Hidden input will always be sent with the form when submitting whereas
the checkbox is only sent when checked
PIM-1703 Fixed the family attribute mass edition form template
PIM-1703 Fixed used ACL for family mass edition