.travis.yml in conoha-0.2.5 vs .travis.yml in conoha-0.2.6

@@ -1,4 +1,6 @@
 language: ruby
 rvm:
+  - 2.0.0
+  - 2.1.7
   - 2.2.3
 before_install: gem install bundler -v 1.10.6