3.16.0

Included commits: 3.15.0...3.16.0

Improvements

• Introduced ProductImageFacade::getConcreteProductImageSetCollection() to retrieve concrete product image set entities filtered by criteria.
• Increased Transfer dependency version.
• Introduced ProductImageSetCollection transfer.
• Introduced ProductImageSetCriteria transfer.
• Introduced ProductImageSetConditions transfer.
• Introduced Sort transfer.
• Introduced Pagination transfer.
• Introduced ProductImageSet.sku transfer field.