Aldebaran Robotics' Nao robot has already received a few upgrades from both the company itself and other developers, but it now has a proper successor. Aldebaran took the wraps off its new and improved Nao Next Gen robot today, touting features like a 1.6GHz Atom processor and dual HD cameras that promise to allow for better face and object recognition even in poor lighting conditions. What's more, while robot's outward appearance hasn't changed much, it has also received a number of software…