title: Moved ASP .Net Core 1.1 App to 2.0 Preview
body: <p>Upgraded to .Net Core 2.0 Preview 2 --> upgraded from 0 error to ~1000.
  Basically the error says: "You must add a reference to assembly 'netstandard, Version=2.0.0.0". I click add reference and nothing changes. Re-install SDK, rebooted, etc. Nothing. Any suggestions?</p>