Apple has released iTunes 10.5, ahead of tomorrow’s launch of iOS 5 and iCloud. According to the release notes, iTunes 10.5 offers support for iTunes in the Cloud, Automatic Downloads, the ability to download previous purchases, the ability to sync with iPhone, iPad, and iPod touch devices running iOS 5, and support for Wi-Fi synching. iTunes 10.5 is available now via Apple’s Software Update utility or as a direct download from apple.com/itunes.…