How to disable Xcode 5 automatically upgrade xibs to iOS7 appearance

Question

If you open an Xcode 4.x project at Xcode 5 and then open a xib at Interface Builder, you will get an alert:

Answer 1

I didn't have luck with either of these commands, but this one worked for me...

defaults write com.apple.dt.xcode IBAlwaysUpgradeAutolayoutDocuments -int 0