#...
#usage:

      require 'facebooker_publisher.rb'
      if facebook_session.user.has_permission?(:status_update)
        FacebookerPublisher.deliver_publish_stream(facebook_session.user,facebook_session.user)
      else
        @permissions = "<fb:prompt-permission perms='read_stream,publish_stream'>Would you like our application to read from and post to your News Feed?</fb:prompt-permission>"
      end

#..