Rails 4 route mapper compatibility

Rails no longer supports routes that don't specify an HTTP verb (GET/POST).

See:
http://rubysource.com/get-your-app-ready-for-rails-4/
https://github.com/rails/rails/blob/master/actionpack/lib/action_dispatch/routing/mapper.rb#L62
Match faye routes on all HTTP verbs
Merge pull request #24 from nilbus/rails4

Rails 4 route mapper compatibility