install_package "jruby-1.6.8" "https://s3.amazonaws.com/jruby-org/downloads/1.6.8/jruby-bin-1.6.8.tar.gz#e3b05f9cf0ba9b02e6cba75d5b62e2abf8ac7a4483c3713dc4eb83e3b8b162d4" warn_eol jruby