.travis.yml in clockwork-1.1.0 vs .travis.yml in clockwork-1.2.0

@@ -1,8 +1,12 @@
+language: ruby
+sudo: false
+cache: bundler
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.0
+  - 2.1
+  - 2.2
   - jruby-19mode
   - # rbx-2.2.7
 gemfile:
   - gemfiles/activesupport3.gemfile
   - gemfiles/activesupport4.gemfile