LUCENE-5271: A slightly more accurate SloppyMath distance

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558259 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5344 Flexible StandardQueryParser behaves differently than ClassicQueryParser

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558305 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5375: ToChildBlockJoinQuery works harder to detect mis-use, where the parent query incorrectly returns child docs

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558334 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5375: fix javadocs

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558350 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: make branch

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LUCENE-5399: current state

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SOLR-5632: Improve response message for reloading a non-existent core.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558459 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5632: Fix SolrCore leak.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558467 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: add fangs, fix 2 bugs

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LUCENE-5399: remove code duplication

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LUCENE-5399: add fangs, but no new bugs found...

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LUCENE-5399, SOLR-5354: fix distributed grouping to marshal/unmarshal sort values properly

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LUCENE-5399: remove nocommit

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SOLR-5631: Add support for FreeTextSuggester

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558635 13f79535-47bb-0310-9956-ffa450edef68
SOLR-1301: Move CHANGES entry to 4.7

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558647 13f79535-47bb-0310-9956-ffa450edef68
SOLR-1301: Throw an error if HdfsDirectoryFactory is not configured for now.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558670 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5636: SolrRequestParsers does some xpath lookups on every request, which can cause concurrency issues.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558688 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5344: adding the change to CHANGES.txt

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SOLR-5476 Overseer Role for nodes

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SOLR-5476 , logging added

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