Remove null defaults for required constructor arguments
Replace broken AttributeTypeTest with a spec
Merge branch 'master' into fix-constructors
PIM-1968 Reduce the margin between form fields
Fix attribute group form state not being saved
Improve the messages for removing attributes from attribute group/family/product
PIM-1923 Fix non-changed items being displayed in audit history
PIM-1669 Load all fields in mass edit attributes action and show only selected to prevent losing changes
Allow clearing file attributes in mass edit
Remove unnecessary mass action initialization call from MassEditActionController
Update behat selectors
Keep mass action fields visible when there are errors in the form
Load grid filter choices asynchronously
Fix spec
Make behat wait for choices to get loaded when activating filters
Merge pull request #709 from akeneo/fix-attributegroup-form-state

Fix attributegroup form state and improve messages when removing attribute from attribute group, family and product
Merge pull request #708 from akeneo/fix-constructors

Fix required constructor argument defaults
Merge pull request #706 from akeneo/PIM-1968

PIM-1968 Reduce the margin between form fields
Merge pull request #714 from akeneo/PIM-1669

PIM-1669 Improve mass edit attributes view
Merge pull request #712 from akeneo/PIM-1923

PIM-1923 Fix non-changed items being displayed in audit history