Pass QueryBuilder to mass edit action operations instead of the list of ids
Improve common attributes retrieval in EditCommonAttributes mass operation
Persist mass edited products in MassEditActionOperator instead of mass action and controller
Merge branch 'master' into PIM-2016
Merge branch 'master' into PIM-2016
Replace failing AddToGroups unit test with a spec
Replace failing ChangeFamily unit test with a spec
Replace failing ChangeStatus unit test with a spec
Replace failing EditCommonAttributes unit test with a spec
Fix mass edit action operator unit test
Merge branch 'master' into PIM-2016
Ensure that missing product values are created in behat
Merge branch 'master' into PIM-2016
Fix behat tests
Fix spec
Merge branch 'master' into PIM-2016
Merge pull request #725 from akeneo/PIM-2016

PIM-2016 Improve mass action perf