.travis.yml in counter_culture-1.2.0 vs .travis.yml in counter_culture-1.3.0

- old
+ new

@@ -1,6 +1,13 @@
 language: ruby
 rvm:
-  - "2.1.10"
   - "2.2.5"
   - "2.3.1"
+env:
+  - "RAILS_VERSION=3.2.0"
+  - "RAILS_VERSION=4.0.0"
+  - "RAILS_VERSION=4.1.0"
+  - "RAILS_VERSION=4.2.0"
+  - "RAILS_VERSION=5.0.0"
+install:
+  - bundle update
 script: TRAVIS=true bundle exec rake spec