Tommy Kelly doesn’t fit the mould of an e-commerce billionaire. He’s from a farming background. He left school after the inter cert. His first business involved renting out a lorry and a trailer. And the company he built, eShopWorld, is based in Swords rather than San Jose. Yet here Kelly is today, among the richest people in Ireland. Certainly one of the finest technology entrepreneurs the country has ever produced. How did it come to be? These questions are on my mind as I make the trip to interview Tommy Kelly at eShopWorld’s headquarters in Swords.  Kelly is a pleasure…