Try out travis env matrix
Try out travis env matrix

bjornicus/confluent-kafka-dotnet,treziac/confluent-kafka-dotnet,bjornicus/confluent-kafka-dotnet,MrGlenThomas/confluent-kafka-dotnet,MaximGurschi/rdkafka-dotnet,ah-/rdkafka-dotnet,MrGlenThomas/confluent-kafka-dotnet,treziac/confluent-kafka-dotnet