title: Could not load type 'Microsoft.Extensions.DependencyInjection.ServiceProviderExtensions'
body: <p>Since I updated to Visual Studio 2015 update 3 and restored my Nuget packages I'm getting an</p>
  
  <blockquote>
    <p>Could not load type
    'Microsoft.Extensions.DependencyInjection.ServiceProviderExtensions'
    from assembly 'Microsoft.Extensions.DependencyInjection.Abstractions,
    Version=1.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.</p>
  </blockquote>
  
  <p>error.In my project.json file I have the following Entity Framework packages defined</p>
  
  <pre><code>"EntityFramework.Core": "7.0.0-rc1-final",
  "EntityFramework.Relational": "7.0.0-rc1-final",
  "EntityFramework.MicrosoftSqlServer": "7.0.0-rc1-final",
  "EntityFramework.Commands": "7.0.0-rc1-final"
  </code></pre>
  
  <p>Is there anything that I have to change that I'm not aware of?</p>