By Pablo Mayo Cerqueiro, Emma-Victoria Farr and Amy-Jo Crowley LONDON/FRANKFURT (Reuters) – Austria’s BAWAG Group is the leading bidder for Barclays’ German consumer finance business, three people close to the matter told Reuters on Thursday. The bank has been competing for the German business, formerly known as Barclaycard Germany, against Credit Agricole and a private equity consortium of Warburg Pincus and Centerbridge, the sources said, speaking on condition of anonymity. Bids were in the region of 500 million euros ($538 million), one of the sources said. The talks are at an advanced stag…