Updated changelog.
Updated changelog.

b-cuts/streaming-cep-engine,dvallejo/Decision,bwboy/streaming-cep-engine,dvallejo/streaming-cep-engine,dvallejo/Decision,b-cuts/streaming-cep-engine,bwboy/streaming-cep-engine,dvallejo/Decision,dvallejo/streaming-cep-engine,Stratio/streaming-cep-engine,Stratio/Decision,Stratio/Decision,bwboy/streaming-cep-engine,dvallejo/streaming-cep-engine,b-cuts/streaming-cep-engine,Stratio/streaming-cep-engine,Stratio/Decision,Stratio/streaming-cep-engine