Changes to get metadata for the factors used when scoring com

the response property entries became optional for the status 200

media type application/json; charset=utf-8 was changed to application/json for the response status 200

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

the response property entries/items/long_description became required for the status 200