[GitHub] incubator-predictionio issue #436: [PIO-125] Add Spark 2.2 support

[dszeto]

Github user dszeto commented on the issue:

    https://github.com/apache/incubator-predictionio/pull/436
  
    @marevol Apache installed `docker-compose` on their Jenkins finally. We can 
move these tests there for faster build time.


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