.travis.yml in classy_enum-3.5.0 vs .travis.yml in classy_enum-4.0.0.beta1

@@ -1,14 +1,10 @@
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.1
+  - 2.1.3
 gemfile:
-  - gemfiles/Gemfile.rails-3.0.x
-  - gemfiles/Gemfile.rails-3.1.x
   - gemfiles/Gemfile.rails-3.2.x
   - gemfiles/Gemfile.rails-4.0.x
-matrix:
-  exclude:
-    - rvm: 1.8.7
-      gemfile: gemfiles/Gemfile.rails-4.0.x
+  - gemfiles/Gemfile.rails-4.1.x
+  - gemfiles/Gemfile.rails-4.2.x