LUCENE-5385: Small update to fail on other fatal SVN errors

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1555980 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5385: minimize this file some, remove a bunch of bogus stuff

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1555982 13f79535-47bb-0310-9956-ffa450edef68