introduced noop in message callbacks.

[mkuklis]

This is just a cosmetic change so the callback in message could be avoided:

// Get a message
q.get(function(err, message) {
  // do something with the message
  // then delete it
  message.del();

  // need more time?
  // touch the message
  message.touch();

  // can't process the message
  // release the message
  message.release();
});

[ahallock]

Thanks for the PR. Can you elaborate on the benefit of this? I'm not familiar with the pattern, but are there really times when you're not interested in the result of the callback, say for error processing?

[mkuklis]

I have a situation where I just don't really care if something was successful or not so passing the callback looks unnecessary. This is a totally pedantic change so you don't have to merge it :).

[ahallock]

Let me mull that over, but I'll probably merge it. Hey, I noticed you're in Ithaca. I grew up near there in Homer haha. I need to get back soon and visit. Anyway...

[mkuklis]

ah cool! Homer is a nice little town. I play soccer very close to Homer once a week. Don't come now it's very cold and snowy :).