.travis.yml in omniauth-gplus-1.2.0 vs .travis.yml in omniauth-gplus-2.0.0.beta1

@@ -1,7 +1,10 @@
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.0
   - ruby-head
   - rbx-19mode
+  - rbx-2
+  - rbx
   - jruby-19mode