To publish a new version of the Hadoop Plugin, first ensure that the latest Travis-CI build is passing.
Then publish the Hadoop Plugin jars to Bintray by running:
./gradlew bintrayUpload -PbintrayUser=<userName> -PbintrayApiKey=<key>
Then publish the Hadoop Plugin to https://plugins.gradle.org/ by running:
./gradlew publishPlugins
after having the API key according to https://plugins.gradle.org/docs/submit.