Judging by recently announced projects like Go Mobile, it's quite clear that US Bank is working hard at keeping up with the mobile banking curve. With today's introduction of its new Mobile Photo BillPay feature, the company's giving customers using an iOS or Android device yet another nifty tool to take advantage of while on the go -- one that's set to make it easy to set up bill payments by simply taking a shot of any invoice and uploading it to an account from within the app. The experience itself is rather s