Provide some more info via logging

  - http_drain response code
  - logplex_api timeout on drain token lookup for nsync/ETS sync
Add request_id to API timeout logging.
I don't like the way this is nested...

But I like duplicating code even less...
Break out nested cases into single function
Whoops. Late night coding leads to mixed up cases.
Ugh. Typo.
Close will be called due to http_fail
Merge pull request #109 from heroku/more-api-debug-logging

More api debug logging