Revert "Spark version 1.3.1."
Revert "Spark version 1.3.1."

This reverts commit dd50b4cda5bb7ce684a58b001097259652028d0c.

bwboy/streaming-cep-engine,azureplus/streaming-cep-engine,dvallejo/streaming-cep-engine,dvallejo/Decision,bwboy/streaming-cep-engine,azureplus/streaming-cep-engine,mt0803/streaming-cep-engine,Stratio/Decision,b-cuts/streaming-cep-engine,Stratio/streaming-cep-engine,mt0803/streaming-cep-engine,dvallejo/Decision,dvallejo/streaming-cep-engine,dvallejo/Decision,mt0803/streaming-cep-engine,azureplus/streaming-cep-engine,b-cuts/streaming-cep-engine,Stratio/Decision,b-cuts/streaming-cep-engine,dvallejo/streaming-cep-engine,Stratio/streaming-cep-engine,Stratio/streaming-cep-engine,bwboy/streaming-cep-engine,Stratio/Decision