* [sbt,travis] Deploy releases and snapshots to sonatype
* [travis] remove oracle JDK builds
* [travis] remove 'compile' job
* [travis] Try adding scala 2.13
* [travis] test using openjdk8 rather than 10
* [travis] force use of scala version, overriding sbt version
* Revert "[travis] Try adding scala 2.13"
This reverts commit 6725199e009ae1f809247bbc0851b62d63121993.
* Revert "[travis] force use of scala version, overriding sbt version"
This reverts commit 21c94992f40cf2ef39c5126e67b66feaabe1b2c0.
* [sbt] Group modules under n.k.thorp organisation