Changes to Get an eval. Roles: admin, member.

added the new AGE enum value to the eval/evalForm/evaluatorAudience/criterionType response property for the response status 200

added the new GREATER_THAN_OR_EQUALS enum value to the eval/evalForm/evaluatorAudience/criterionOperator response property for the response status 200

added the new LESS_THAN_OR_EQUALS enum value to the eval/evalForm/evaluatorAudience/criterionOperator response property for the response status 200

added the optional property eval/evalForm/groupType/externalReferenceId to the response with the 200 status

added the optional property eval/subjectGroup/groupType/externalReferenceId to the response with the 200 status

added the optional property error/errorId to the response with the 400 status

added the optional property error/errorId to the response with the 401 status

added the optional property error/errorId to the response with the 403 status

added the optional property error/errorId to the response with the 404 status

added the optional property error/errorId to the response with the 500 status