Fix deprecation of interpolation_options in responders
Fix deprecation of interpolation_options in responders

The `interpolation_options` method is deprecated. Update to the suggested `flash_interpolation_options` method. This is only a documentation change to the suggested override.
activeadmin/inherited_resources,activeadmin/inherited_resources,activeadmin/inherited_resources,aratak/inherited_resources,josevalim/inherited_resources,josevalim/inherited_resources,aratak/inherited_resources,josevalim/inherited_resources,sharpfuryz/inherited_resources,sharpfuryz/inherited_resources