Add convenience method to check rails4 or not
Switch between strong_params and white-listed attributes based on Rails ver
..and let Rails 4 be an option
Add some quick basic controller tests, so we can check whether Rails 4 breaks anything
Add a rails 3 and rails 4 gemfile to the spec/dummy, tell travis to use it.
Merge pull request #2 from JustinAiken/feature/rails4_compat

Feature/rails4 compat