title: Adding Icon@2x.png to SVN
body: <p>I was trying add the retina icon to SVN but seem to have trouble checking it in.</p>
  
  <p>I tried 
  svn add Icon@2x.png
  svn add Icon\@2x.png 
  but neither of them works.</p>
  
  <p>Any help will be appreciated.</p>
  
  <p>Thanks
  RS</p>