enable presearch,search and postsearch hooks
enable presearch,search and postsearch hooks

git-svn-id: 9ccbd9d86b746f4b66ec41278f73faea0938905b@409954 13f79535-47bb-0310-9956-ffa450edef68

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