Screenshot of original robots.txt for when the changes get pushed to production:

http://imgur.com/8zkK8w2

Also, in

   Disallow: /sr/mattress* Disallow: /sr/mattresses*

Doesn't A imply B?

maybe, but why would THAT be the honey pot? it could be any phrase, really.

Well, you'd want them to try to crawl it. Perhaps there was a bot crawling their site for such links and they wanted to identify specifically that one. It seems most likely that such URL's never existed, but this would be a decent way to identify a bot that's otherwise not distinguishable.

Maybe that was their intention, but that's not how it's done.