Apple is set to unveil iOS 7, the next iteration of the operating system that runs on iPhone, iPad and iPod touch, at its WWDC 2013 keynote this evening, so it's no surprise that rumours, speculation and alleged leaks have been flooding in as the event approaches.Related StoriesApple unveils minimalist iOS 7 and OS X banners at WWDC 2013 venue (UPDATED)How can I get an iTunes track to start two minutes in?N
