Update Kafka image to 0.8.2.1
Update Kafka image to 0.8.2.1

dvallejo/Decision,dvallejo/streaming-cep-engine,Stratio/Decision,dvallejo/streaming-cep-engine,dvallejo/streaming-cep-engine,Stratio/Decision,Stratio/Decision,dvallejo/Decision,dvallejo/Decision,Stratio/streaming-cep-engine,Stratio/streaming-cep-engine,Stratio/streaming-cep-engine