add dependency "init" (calling "ivy-init") to "compile-core-test" to fix nightly build failures introduced with NUTCH-1803

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1607929 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1605 MIME type detector recognizes xlsx as zip file

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1608130 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1566 bin/nutch to allow whitespace in paths

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1608135 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1776 Log incorrect plugin.folder file path

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1608136 13f79535-47bb-0310-9956-ffa450edef68