.travis.yml in clockwork-0.7.0 vs .travis.yml in clockwork-0.7.1

@@ -1,6 +1,9 @@
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.0
+  - jruby-19mode
+  - rbx
 gemfile:
   - gemfiles/activesupport3.gemfile
   - gemfiles/activesupport4.gemfile