SOLR-5658: commitWithin and overwrite are not being distributed to replicas now that SolrCloud uses javabin to distribute updates.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1560860 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5663: example-DIH uses non-existing column for mapping (case-sensitive) (merge r1561026)

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SOLR-5625: Add testing around SolrCmdDistributor

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SOLR-5625: Add testing around SolrCmdDistributor

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LUCENE-5395: Upgrade Spatial4j 0.4. Moved away from stuff deprecated in Spatial4j.

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tests: raise update so timeout

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LUCENE-5395: calculated sha1 via "ant jar-checksums" this time

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LUCENE-5395: use Locale.ROOT

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SOLR-5492: Enabling CustomCollectionTest after removing shards.info test code from it

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tests: reduce number of shards

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SOLR-5661: catch too-large priority queue

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tab to space

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LUCENE-5228: IndexWriter.addIndexes(Directory[]) now acquires the IW write lock on the incoming indices to ensure there are no active IndexWriters in those directories

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1561412 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5414: Suggest module should not depend on expression module

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LUCENE-5414: disable 3.x codec in test

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LUCENE-5415: add multitermquery support to PostingsHighlighter

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SOLR-5577: Harden leaking Timer thread.

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LUCENE-5414: intellij config (merged trunk r1561707)

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SOLR-5671: increase logging to try and track down test failure (merged trunk r1561709)

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SOLR-5666: Using the hdfs write cache can result in appearance of corrupted index.

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