grpc/src/csharp/Grpc.Examples.Tests/packages.config

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="Google.ProtocolBuffers" version="2.4.1.521" targetFramework="net45" />
  <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
  <package id="NUnit" version="2.6.4" targetFramework="net45" />
</packages>