Enable Rubinius 2.x builds, make Rubinius optional

mtodd · mtodd · commit 6bd5369d6ec2 · 2014-10-15T12:58:29.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,10 +3,13 @@ rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.2
+  # optional
   - jruby-19mode
   - rbx-19mode
-  # - rbx-2
+  - rbx-2
 matrix:
   allow_failures:
     - rvm: jruby-19mode
+    - rvm: rbx-19mode
+    - rvm: rbx-2
 script: bundle exec rake
