title: Xcode 6 ScrollView with Universal Layout
body: <p>With Xcode 6, w:Any and H:Any, i want to make a view that can be scrolled horizontally, there is 4 view in the scrollview placed horizontally, and one is take full width, (see picture)</p>
  
  <p>How to achieve this with Xcode 6 new universal layout paradigm?</p>
  
  <p>i mean, i am confused with what constraints i should use for each element to make it work</p>
  
  <p><img src="https://i.stack.imgur.com/Z0mQs.jpg" alt="enter image description here"></p>