iobeam-spark-scala com.iobeam 0.12 4.0.0 iobeam-spark-scala-core org.sonatype.plugins nexus-staging-maven-plugin org.apache.maven.plugins maven-gpg-plugin net.alchim31.maven scala-maven-plugin org.scala-tools maven-scala-plugin org.scalastyle scalastyle-maven-plugin org.scalatest scalatest-maven-plugin org.apache.maven.plugins maven-release-plugin maven-source-plugin