SOLR-5624: check for elevated documents in hashCode()

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567649 13f79535-47bb-0310-9956-ffa450edef68
tests: add a short poll

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567664 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3854: Update MorphlineGoLiveMiniMRTest for SSL. Disable SSL for now .

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567701 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3854: Revert last commit - SSL not on 4x yet. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567703 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5257: Improved error/warn messages when Update XML contains unexpected XML nodes (merge r1567706)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567711 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5365: Fix bug with compressed files in ExtractingRequestHandler by upgrading commons-compress to 1.7 (merge r1567824)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567825 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5675: cloud-scripts/zkcli.bat: quote option log4j (merge r1567901, r1567902)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567904 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5443: DocValuesProducer.ramBytesUsed throws ConcurrentModificationException

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1567960 13f79535-47bb-0310-9956-ffa450edef68