title: fail to install "go-plus" package in Atom under OSX 10.11.1
body: <p>I am a freshman on programming. I want to start with Golang. When I was installing  the "go-plus"package in Atom. I met with such a problem.</p>
  
  <p><a href="https://i.stack.imgur.com/Cn414.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Cn414.png" alt="problem screenshot"></a></p>