In an unexpected repeat of the problematic online launches of past iPhones, the pre-ordering systems set up by both Verizon Wireless and Apple have turned away some iPhone 4 customers who arrived for the companies’ 3:00AM sign-up process. Attempts to order the iPhone 4 through Verizon Wireless’s web site failed for more than five hours, as some customers who attempted to sign in to the ordering page were presented with a broken “Sorry,…