code: public static void doPublish(final Jedis jedis, final String namespace, final String channel, final String jobJson) {
          jedis.publish(JesqueUtils.createKey(namespace, CHANNEL, channel), jobJson);
      }
docs: Helper method that encapsulates the minimum logic for publishing a job to
  a channel.
  
  @param jedis
  the connection to Redis
  @param namespace
  the Resque namespace
  @param channel
  the channel name
  @param jobJson
  the job serialized as JSON