C# Avro license question

[Peter Cameron]

The Avro distribution is Apache 2.0 licensed. Does that license apply to 
everything included in the distribution? Specifically, for the C# 
version there is the newtonsoft.dll. Does that also fall under the 
Apache 2 license when used as part of Avro?

Unfortunately, we have to clear usage with some legal folks!!
thanks,
Peter