Will Steve Jobs go down as the saviour of the British newspaper industry? Quite possibly, if iPads are the big Christmas hit this year. That would mean they are becoming essential gadgets for business people, commuters, air travellers and the reading classes in general. They might just mark a turning-point for the fortunes of a British industry grappling desperately with dramatic declines in sales, defection of advertisers and woeful returns on the huge investments made in glitzy websites and marketing budgets. It is an industry praying for a miracle.Few newspaper readers appreciate the nightmare facing the companies who produce them. Classified ads, once about a third of an average newspaper’s revenues, have steadily migrated online — a shift accelerated by the recession.