Latest version of org.jruby:jruby-core
https://javadoc.io/doc/org.jruby/jruby-core
Current version 1.7.0.preview2
https://javadoc.io/doc/org.jruby/jruby-core/1.7.0.preview2
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.jruby/jruby-core/1.7.0.preview2/package-list