adapted to changes in IndexOutput

git-svn-id: https://svn.apache.org/repos/asf/lucene/pylucene/trunk@1608472 13f79535-47bb-0310-9956-ffa450edef68
trunk passes tests again

git-svn-id: https://svn.apache.org/repos/asf/lucene/pylucene/trunk@1608474 13f79535-47bb-0310-9956-ffa450edef68
preparing jcc 2.20 release candidate

git-svn-id: https://svn.apache.org/repos/asf/lucene/pylucene/trunk@1608480 13f79535-47bb-0310-9956-ffa450edef68