Remember the hoo-hah OnLive cooked over some supposedly fast-and-loose Windows licensing? Well Nivio's been quietly rolling out its own, proudly licensed, version of a cloud-based Windows desktop. Its minimum requirement is the ability to handle HTML5, meaning that a Microsoft-powered OS can be used across iPads, Android phones, MacBooks and everything else in between. Nivio offers up a cloud storage platform alongside a Windows 7-style (it's based on the Windows 2008 R2 Server; same building blocks) OS that allows the user to sync up to 10GBs across devices. What else does it have? Microsoft Offic