cannot run on jruby 9k

```
org.jruby.exceptions.RaiseException: (RuntimeError) unknown Ruby version 2.2
    at RUBY.current_ruby_mode(uri:classloader:/red_storm/environment.rb:54) ~[na:na]
    at RUBY.jruby_mode_token(uri:classloader:/red_storm/environment.rb:60) ~[na:na]
    at RUBY.start(uri:classloader:/red_storm/dsl/topology.rb:167) ~[na:na]
    at RUBY.main(topology_launcher.rb:63) ~[na:na]
```
