.travis.yml in resque-rollbar-0.3.0 vs .travis.yml in resque-rollbar-0.4.0

@@ -1,15 +1,25 @@
 language: ruby
+cache: bundler
 rvm:
   - 1.8.7
   - 1.9.3
   - 2.0.0
-  - 2.1.0
+  - 2.1.8
+  - 2.2.4
+  - 2.3.0
   - jruby-18mode
   - jruby-19mode
+  - jruby-head
   - rbx
+  - rbx-2
 gemfile:
-  - gemfiles/rollbar-1.2.x.gemfile
+  - gemfiles/rollbar-1.x.gemfile
+  - gemfiles/rollbar-2.x.gemfile
 matrix:
   allow_failures:
     - rvm: rbx
+    - rvm: rbx-2
   fast_finish: true
+before_install:
+  - gem install bundler
+sudo: false