PIM-2317 : use a choice filter parent type and add missing choices for
"in group" filter
Merge branch 'master' into mongo/in_group_filter
PIM-2317 : get the product repository from filter utility in
completeness filter
PIM-2317 : add a InGroup Selector
PIM-2317 : remove the "in_group" query part
PIM-2317 : get the current group from query parameters in InGroupFilter
PIM-2317 : deal with "not in" case in entity filter
PIM-2317 : update the group-products and variant-group-products
datagrids to use the new in_group selector
Merge branch 'master' into mongo/in_group_filter
Fix CS
PIM-2317 : add a product group normalizer
PIM-2317 : define the group normalizer service
PIM-2317 : update the product normalizer for MongoDB support
Merge branch 'master' into mongo/in_group_filter

Conflicts:
	src/Pim/Bundle/EnrichBundle/Resources/config/datagrid.yml
PIM-2317 : add "not in" case in entity filter (MongoDB support)
PIM-2317 : fix group normalizer spec
PIM-2317 : fix product normalizer spec
Merge pull request #949 from akeneo/mongo/in_group_filter

In group filter (MongoDB support)