.travis.yml in surrounded-0.6.0 vs .travis.yml in surrounded-0.7.0

- old
+ new

@@ -1,15 +1,16 @@
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.0
   - jruby-19mode # JRuby in 1.9 mode
   - ruby-head
   - jruby-head
-  - rbx-19mode
+  - rbx
 env:
 - COVERALLS=true
 matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
-    - rvm: rbx-19mode
+    - rvm: rbx