Removed abstract classes
Added cache reader
Refactored product associations
Remove unused CategoryTreeController action, acl and twig extension
Remove redundant category acls
Apply acl for adding attributes to products, families and attribute groups
Prevent removing pim_catalog_locale_index acl from roles form
Apply acl to menu
Added product associations fixture
Fixed PHPDoc
Corrected unit tests
Corrected unit tests
Added test
Apply missing acl
Update changelog
PMD LongVariable fix
Merge pull request #620 from akeneo/acl-cleanup

Acl cleanup
PIM-1774 : enhance extensibility by adding an alias for AttributeRequirementType
PIM-1774 : use a form type alias for AttributeOptionType
PIM-1774 : use a form type alias for AttributeOptionValueType