.travis.yml in bogus-0.1.5 vs .travis.yml in bogus-0.1.6

@@ -2,6 +2,7 @@
 rvm:
   - 1.9.3
   - 2.0
   - 2.1.1
   - jruby-19mode
+  - rbx
 script: bundle exec rspec spec && bundle exec cucumber --tag ~@wip