US Studio Lions Gate Entertainment has bought Britain's Redbus Film Distribution for $35m (£20m) in stock and cash.   Lions Gate has also acquired Redbus's library of distribution rights to more than 130 films including hits such as Bend it Like Beckham.   Redbus chairman Simon Franks, a former JP Morgan Banker, founded the company in 1998.   Redbus was advised on the deal by Allen & Co 's John Josephson and Omar Issani.