Changes for publishing to Sonatype OSS / Central
Merge pull request #22 from topping/master

Changes for publishing to Sonatype OSS / Central
Merge pull request #23 from cowboy129/master

Add logs for ConnectionClosed and CommandFailed
Propagate Tcp.ConnectionClosed and Tcp.CommandFailed in pipelines.
Publish SNAPSHOT artifact to sonatype after travis build

references:
https://github.com/FasterXML/jackson-module-scala/blob/master/.travis.yml
http://www.scala-sbt.org/release/docs/Detailed-Topics/Publishing