.travis.yml in grocer-0.3.4 vs .travis.yml in grocer-0.4.0

@@ -1,7 +1,8 @@
 language: ruby
 rvm:
   - 1.9.2
   - 1.9.3
+  - 2.0.0
   - jruby-19mode # JRuby 1.7.0
   - rbx-19mode
   # - ruby-head  # seems unstable on travis at this time