allow install on OSX 10.10 (MRI 2.0.0)

e2 · e2 · commit c14b2f7b5f89 · 2016-05-06T05:57:00.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,8 @@ sudo: false
 language: ruby
 bundler_args: --without development
 rvm:
+  - 2.0.0
+  - 2.1.9
   - 2.2.4
   - jruby-9.0.5.0
 before_install: gem install bundler -v 1.12.1
