#000 - Add auth for Rails 2 OAuth back.

It was removed as a part of fa4cac9c1f732df0858a248eeff9ef4b0d358c46.
That commit added it for Rails 4, but the Rails 2 route was removed.
Merge pull request #498 from arvindsv/oauth-rails-2-spec-fix

#000 - Add auth for Rails 2 OAuth back.

Sorry, merging my own PR. Fixes acceptance tests. No one else is around.