update Travis to test Rails 3.2.14

Author: seanlinsley

.travis.yml

@@ -9,7 +9,7 @@ before_install:
 env:
   - RAILS=3.0.20
   - RAILS=3.1.12
-  - RAILS=3.2.13
+  - RAILS=3.2.14
 matrix:
   allow_failures:
     - rvm: 2.0.0