.travis.yml in ruby_version_reader-0.1.1 vs .travis.yml in ruby_version_reader-0.2.0

@@ -1,8 +1,9 @@
 language: ruby
 
 rvm:
 #- ruby-head (travis error)
+- 2.2.0
 - 2.1.0
 - 2.0.0
 - 1.9.3
 - 1.9.2
 - 1.8.7