.travis.yml in rzo-0.1.0 vs .travis.yml in rzo-0.2.0

@@ -1,5 +1,14 @@
+---
 sudo: false
 language: ruby
+
+notifications:
+  email: false
+
 rvm:
+  - 2.1.9
   - 2.4.1
-before_install: gem install bundler -v 1.15.3
+
+script:
+  - 'bundle exec rake validate rubocop'
+  - 'bundle exec rspec'