.travis.yml in unread-0.3.1 vs .travis.yml in unread-0.4.0

@@ -1,9 +1,12 @@
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.1
 gemfile:
   - ci/Gemfile-rails-3-0
   - ci/Gemfile-rails-3-1
   - ci/Gemfile-rails-3-2
   - ci/Gemfile-rails-4-0
+  - ci/Gemfile-rails-4-1
+before_install: gem update bundler