Google has updated its Gmail for iOS app with a pair of new features aimed at Google power-users. Users clicking links in emails can now have those links open directly in Google's YouTube, Chrome or Google Maps apps, rather than going to the mobile web versions in Safari. Also, users who use multiple Gmail accounts in the app can sign out of one of them without signing out of all of them, a useful update for some. What's new - YouTube, Google Maps and Chrome links go directly to the app instead of the mobile web, if installed. You can turn this off using the in-app settings. - Added support for signing out of a single account instead of having to sign out of all accounts at once.Gmail for iOS is a free downlo