title: How to hide Blue line covering views in xib/Storyboard in Xcode 7.2
body: <p><a href="https://i.stack.imgur.com/bI0ls.png" rel="noreferrer"><img src="https://i.stack.imgur.com/bI0ls.png" alt="enter image description here"></a>
  I am using xcode 7.2, in xib when i insert  any view, label,txtField etc., all are showing this covering blue line. now it is very hard to insert/manage new view or anything in xib due to this line.
  Does anybody know how to hide these?</p>