LUCENE-5399: make branch

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558450 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: current state

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558451 13f79535-47bb-0310-9956-ffa450edef68
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

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558516 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: remove code duplication

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558552 13f79535-47bb-0310-9956-ffa450edef68
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

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558618 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: remove nocommit

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558621 13f79535-47bb-0310-9956-ffa450edef68
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

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558693 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5476 Overseer Role for nodes

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558760 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5476 , logging added

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558829 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5476 removing forbidden API usage

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558846 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5399: add missingFirst/last support when sorting by Type.STRING; speed up deep paging; fix solr's distributed group sort for certain field types

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558865 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5401: Field.StringTokenStream#end() calls super.end() now.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558876 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5463: more details in case of spooky 'walk already seen' errors

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