On petition for writ of certiorari to the United States Court of Appeals for the District of Columbia Circuit. Petition for writ of certiorari granted. Judgment vacated, and case remanded to the United States Court of Appeals for the District of Columbia Circuit for further consideration in light of Kellogg Brown & Root Services, Inc. v. United States ex rel. Carter,575 U.S. ----, 135 S.Ct. 1970, --- L.Ed.2d ---- (2015).