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 modified the Dave DeLong's command to reset the "Always upgrade". Try it.

defaults write com.apple.dt.xcode IBAlwaysUpgradeAutolayoutDocuments -boolean false