Re-instate support for content-level redirects.
Re-instate support for content-level redirects.

Use the correct key, when FetcherThread.output() is called
after redirects. It should use the new URL as the key,
and not the original one.


git-svn-id: 9ccbd9d86b746f4b66ec41278f73faea0938905b@393297 13f79535-47bb-0310-9956-ffa450edef68

commoncrawl/nutch,commoncrawl/nutch,commoncrawl/nutch,commoncrawl/nutch