LUCENE-5084: EliasFanoDocIdSet.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1501576 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5084: Move Elias-Fano encoding from Lucene 4.4 to 4.5...


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1501577 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5022: Pass-through disableHdfs to Maven Surefire

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1501595 13f79535-47bb-0310-9956-ffa450edef68