Silicon Alley Insider reports that ABC is planning to release an update to its ABC Player app for the iPad that will allow video content to be streamed over a 3G data connection. Following the release of the iPad WiFi + 3G model last week iLounge discovered that the ABC Player app refused to deliver any video content when used over a 3G connection, responding with a pop-up notification advising users to “Please connect to a Wi-Fi network to…