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
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...

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene539399@1558565 13f79535-47bb-0310-9956-ffa450edef68
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-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

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558939 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4260: ConcurrentUpdateSolrServer#blockUntilFinished can return before all previously added updates have finished. This could cause distributed updates meant for replicas to be lost.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558978 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4260: Add name to CHANGES

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558980 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4260: Guard against NPE.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558985 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4260: If in blockUntilFinished and there are no Runners running and the queue is not empty, start a new Runner.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1558996 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5476: Fix forbidden.

PLEASE RUN "ant precommit" (root) or alternatively the faster "ant check-forbidden-apis" (in your module folder) before committing!

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1559043 13f79535-47bb-0310-9956-ffa450edef68
improve javadocs/comments

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1559086 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'remotes/asf/trunk'
Merge remote-tracking branch 'remotes/asf/trunk'