Merge pull request gettyimages#42 from cjekal/spark-2.3.1-hadoop-3.0

Spark 2.3.1 hadoop 3.0

Merge branch 'markpfletcher-master'

Merge branch 'tisoft-spark_2.3.0'

Merge branch 'krystiannowak-master'

Merge branch 'krystiannowak-master'

Merge pull request gettyimages#29 from zulk666/patch-1

Bump spark to 2.2.0

Java url change to fix build

upgrading to spark 2.1.0