message: Add repositorypath to NuGet config.
diff: <!--<add key="TAEF - internal" value="https://microsoft.pkgs.visualstudio.com/DefaultCollection/_packaging/Taef/nuget/v3/index.json" />
  <add key="OpenConsole - Internal" value="https://microsoft.pkgs.visualstudio.com/_packaging/OpenConsole/nuget/v3/index.json" />-->
  </packageSources>
  + <config>
  + <add key="repositorypath" value=".\packages" />
  + </config>
  </configuration>
  