.travis.yml in rambulance-0.1.2 vs .travis.yml in rambulance-0.2.0

@@ -10,9 +10,10 @@
 
 gemfile:
   - gemfiles/rails_32.gemfile
   - gemfiles/rails_40.gemfile
   - gemfiles/rails_41.gemfile
+  - gemfiles/rails_42.gemfile
   - gemfiles/rails_edge.gemfile
 
 matrix:
   allow_failures:
     - rvm: ruby-head