(Adds details) By Martyn Herman RIO DE JANEIRO, Aug 13 (Reuters) - Dutch rider Elis Ligtlee won gold in the track cycling women's keirin on Saturday, edging out Britain's Rebecca James. Australian Anna Meares took the bronze while world champion Kristina Voegel of Germany was out of the medals. Meares, an 11-times world champion, has now won a medal in four consecutive Olympics. Once the gurney, the motorised bike that paces the riders around the opening laps, moved aside, battle commenced for the final two and a half laps. ... More...