419 U. S. 1040. Petition for rehearing granted and order of November 25, 1974, denying petition for writ of certiorari, vacated. Certiorari granted, judgment vacated, and case remanded to the United States Court of Appeals for the Sixth Circuit for further consideration in light of Brown v. General Services Administration, 425 U. S. 820, 824 n. 4 (1976).