title: cannot load such file -- google/api_client/client_secrets
body: <p>For a Rails 3.2.2 project, I got this error:
  LoadError (cannot load such file -- google/api_client/client_secrets):
  app/controllers/subscriptions_controller.rb:2:in ' lib/flash_session_cookie_middleware.rb:17:incall'</p>
  
  <p>I am also doing the same configuration on another Rails 4 project, and everything works fine.</p>