install_package "jruby-1.6.7.2" "https://s3.amazonaws.com/jruby-org/downloads/1.6.7.2/jruby-bin-1.6.7.2.tar.gz#6f04baa597941e48276a2edbb464afc6801f8f690fb978422e12029b7bfefe18" warn_eol jruby