4.0.0 parent-mojo org.jruby.maven 3.0.5 ../parent-mojo/pom.xml gem-extension jar Gem Maven Extension org.eclipse.m2e lifecycle-mapping 1.0.0 org.codehaus.mojo build-helper-maven-plugin [1.4,) add-source org.apache.maven.plugins maven-dependency-plugin [2.1,) unpack-dependencies