maven maven-plugin-parent 2.0-SNAPSHOT maven maven-pom-plugin plugin Maven POM Plugin 1.0-SNAPSHOT org.apache.maven.plugin.pom maven maven-core 2.0-SNAPSHOT maven maven-artifact 2.0-SNAPSHOT maven maven-model 2.0-SNAPSHOT maven wagon-provider-api 1.0-alpha-2-SNAPSHOT maven wagon-ssh 1.0-alpha-2-SNAPSHOT runtime