Changes

Summary

1. Default build to Spark 3/Scala 2.12. (commit: 999a753) (details)

Commit 999a753c1f113c42684ceff67d15d8c3479908e4 by heuermh Default build to Spark 3/Scala 2.12. (commit: 999a753)
	adam-distribution/pom.xml (diff)
	adam-python/pom.xml (diff)
	scripts/jenkins-test (diff)
	adam-r/bdgenomics.adam/DESCRIPTION (diff)
	adam-core/pom.xml (diff)
	adam-shade/pom.xml (diff)
	pom.xml (diff)
	adam-assembly/pom.xml (diff)
	adam-r/pom.xml (diff)
	adam-r/bdgenomics.adam/NAMESPACE (diff)
	adam-cli/pom.xml (diff)
	adam-codegen/pom.xml (diff)
	adam-apis/pom.xml (diff)