title: 'Newtonsoft.Json' already has a dependency defined for 'Microsoft.CSharp'
body: <p>I'm installing NewtonSoft.Json for parsing Json in .NET application. When I'm using Visual Studio(VS) 2012, it can not be installed via NuGet. 
  This is the error I have got:</p>
  
  <pre><code>'Newtonsoft.Json' already has a dependency defined for 'Microsoft.CSharp'
  </code></pre>
  
  <p>I tried to copy the DLL over and just use it, seems like some dependencies screwed up in this version (10.0.2).</p>
  
  <p>After few hours research, finally I've found out it is the problem of the compatibility of VS2012 and Newtonsoft Json 10.0.2.</p>