.travis.yml in wirecard_checkout_page-0.0.1 vs .travis.yml in wirecard_checkout_page-0.1.0

@@ -1,7 +1,8 @@
 rvm:
-  - 2.0.0
+  - 2.0
   - 2.1
+  - 2.2
   - ruby-head
   - jruby-head
 matrix:
   allow_failures:
     - rvm: ruby-head