Merge pull request antonlindstrom#17 from sensson/update-test-versions

Update Ruby versions in our tests

Author: ju5t

.travis.yml

@@ -4,9 +4,9 @@ language: ruby
 bundler_args: --without development system_tests
 before_install: rm Gemfile.lock || true
 rvm:
-  - 1.9.3
-  - 2.0.0
   - 2.1.0
+  - 2.2.0
+  - 2.3.0
 script: bundle exec rake test
 env:
   - PUPPET_VERSION="~> 3.7.0"