PIM-2258 : change ConfiguratorInterface to prepare the moving of
configurators as services
PIM-2528 : update context configurator
PIM-2528  update filters and sorters configurators
PIM-2528 : add dedicated configuration for configurators
PIM-2528 : update grid listener and product grid configurator
PIM-2528 : update the GroupColumnsConfigurator and remove deprecated
ConfigureGroupProductGridListener
PIM-2528 : fix column configurator spec
PIM-2528 : fix filter configurator specs
PIM-2528 : update specs
PIM-2528 : fix CS
PIM-2528 : update doc
PIM-2528 : enrich the getAttributeIdsUseableInGrid method to add a
groupIds criteria
PIM-2528 : update the configurator to take in account the "no
attributes" case
PIM-2528 : fix CS
Merge branch 'master' into PIM-2528-grid-configurators
Merge pull request #1079 from akeneo/PIM-2528-grid-configurators

PIM-2528 grid configurators as services