It’s going to be a big learning. Italian gravel is on tap this fall at the Jeroboam Festival. Photo: Dario Codato Registration is now open for the Jeroboam Bike. these 5,000 machines are the first of a total of 100,000 Italian army, navy, and air force devices that will eventually abandon Microsoft. The move is set to become the country’s largest migration to free software and the second largest. "Do…