.travis.yml in matrioska-0.2.1 vs .travis.yml in matrioska-0.3.0

@@ -1,9 +1,11 @@
 language: ruby
 rvm:
   - 1.9.2
   - 1.9.3
   - 2.0.0
+  - 2.1.0
+  - 2.2.0
   - jruby-19mode
   - rbx-19mode
   - ruby-head
 matrix:
   allow_failures: