.travis.yml in taza-0.9.2.1 vs .travis.yml in taza-1.0

@@ -1,13 +1,14 @@
 language: ruby
+before_install: gem install bundler -v 1.11.2
 script: "bundle exec rspec spec"
 rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.0
   - ruby-head
   - jruby-19mode
-  - rbx
+  - rbx-2
 notifications:
   email:
     - [e-mail]
     - [e-mail]