SOLR-4580: fix a second problem with stripChroot call

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1622340 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5920: tweak junit4 output options for 'ant beast'

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1622346 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5895: fix bug (when 2nd long from xorshift was negative) causing ids to be prefixed by 16 0s

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1622352 13f79535-47bb-0310-9956-ffa450edef68