LUCENE-5434: NRT support for file systems that do no have delete on last close or cannot delete while referenced semantics.
SOLR-5693: Running on HDFS does work correctly with NRT search.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565344 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5434: This test method uses a non nrt reader.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565373 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5418: faster drill-down/sideways on costly filters

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565387 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5702: Log config name found for collection at info level.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565399 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5436: RefrenceManager#accquire can result in infinite loop if manager resource is abused outside of the manager

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565429 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5434: This test method uses a non nrt reader.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565485 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5541: Use StrUtils.splitSmart to handle escape chars

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565520 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5644: SplitShard does not handle not finding a shard leader well

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565555 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5659: Add test for compositeId ending with a separator char

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565572 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5434: fix test bug: this test case uses a non-NRT reader too

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565617 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5404: Add .getCount method to all suggesters (Lookup), persist count metadata on .store(), Dictionary returns InputIterator, Dictionary.getWordIterator renamed to .getEntryIterator

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1565810 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5434: drop the merged reader if the merge was aborted, before trying to delete its files

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566013 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5624: Enable QueryResultCache for CollapsingQParserPlugin

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566071 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5700: Improve error handling of remote queries (proxied requests).

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566174 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5700: Always consumes the response's HttpEntity and cleaned up the test a little.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566179 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5695: Add support for Lucene's BlendedInfixSuggester

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566222 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5476 avoiding race condition 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566247 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5624: Guard against NPE during cache warming

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566309 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5710: Migrate collection command does not handle not finding a shard leader well

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566385 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5695: Make best effort to clean up suggester index

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1566388 13f79535-47bb-0310-9956-ffa450edef68