re-adapted nutch script to the class names used NutchBase
re-adapted nutch script to the class names used NutchBase

git-svn-id: d5c24efae811dae08d6299c6b502251aa5b3832a@964817 13f79535-47bb-0310-9956-ffa450edef68

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