We are testing bouncer, a redirection service. So when making bouncer
requests, don't automatically traverse the first level of possible redirects,
but catch it and then follow it.

This way, if what we are being redirected to fails, that's what we'll report
on. Otherwise, this obscures what URL is failing/timing-out
Merge pull request #52 from gozer/trace-redirects

We are testing bouncer, a redirection service. So when making bouncer