Custom list support in AssetGalleryField
Custom list support in AssetGalleryField

Originally implemented for testing mocks

open-sausages/silverstripe-asset-admin,silverstripe/silverstripe-asset-admin,silverstripe/silverstripe-asset-admin,open-sausages/silverstripe-assets-gallery,open-sausages/silverstripe-asset-admin,open-sausages/silverstripe-assets-gallery