.travis.yml in restfulness-0.3.0 vs .travis.yml in restfulness-0.3.1

@@ -1,6 +1,9 @@
 language: ruby
 rvm:
   - 2.0.0
   - 1.9.3
   - jruby-19mode # JRuby in 1.9 mode
-  - rbx
+  - rbx # Probably a bit optimistic
+matrix:
+  allow_failures:
+    - rvm: rbx