Remove AttributeInterface
Remove AttributeManagerInterface
Fix unit test
Merge branch 'master' into PIM-1782
Merge branch 'master' into PIM-1782

Conflicts:
	src/Pim/Bundle/CatalogBundle/Resources/config/doctrine/Family.orm.yml
Update phpdoc
Merge branch 'master' into PIM-1782

Conflicts:
	src/Pim/Bundle/EnrichBundle/Form/Subscriber/AddAttributeTypeRelatedFieldsSubscriber.php
	src/Pim/Bundle/EnrichBundle/Form/Type/AttributeType.php
	src/Pim/Bundle/FilterBundle/Filter/Flexible/ChoiceFilter.php
Merge branch 'master' into PIM-1782
Merge branch 'master' into PIM-1782

Conflicts:
	src/Pim/Bundle/CatalogBundle/Entity/Attribute.php
Update spec
Update changelog
Merge pull request #707 from akeneo/PIM-1782

PIM 1782 Remove AttributeInterface and AttributeManagerInterface