.travis.yml in lita-4.3.2 vs .travis.yml in lita-4.4.0

@@ -1,7 +1,9 @@
 language: ruby
 rvm:
   - 2.0.0
+  - 2.1.6
+  - 2.2.2
 script: bundle exec rake
 before_install:
   - gem update --system
 services:
   - redis-server