.travis.yml in interception-0.4 vs .travis.yml in interception-0.5

@@ -1,12 +1,12 @@
 language: ruby
 rvm:
+  - 2.1.1
   - 2.1.0
   - 2.0.0
   - 1.9.3
   - 1.9.2
   - jruby-18mode
   - jruby-19mode
-  - rbx-18mode
-  - rbx-19mode
+  - rbx
   - 1.8.7
   - ree