Webhook Engine does not provide the /debug route as expected

[reidcooper]

Upon mounting the engine, I am unable to access the /webhooks/debug route.

My suggested fix in contentful_rails/development_constraint.rb:

module ContentfulRails
  # Constraint for ensuring development origin
  class DevelopmentConstraint
    # Returns if current request is coming from development environment or localhost
    def self.matches?(request)
      Rails.env =~ %r{development} && (request.remote_ip =~ %r{127.0.0} || request.remote_ip =~ %r{^::1$})
    end
  end
end

Due to https://stackoverflow.com/a/12384762/3674071 stating that the %r{} syntax allows you to use / without having to escape them. We don't want to check whether or not the Rails.env = "/development/", but if its "development". Applies concept to the request.remote_ip assertions as well.

[dlitvakb]

Thanks for the fix, just merged.

Cheers