LUCENE-5100: BaseDocIdSetTestCase.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1502448 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4997: The splitshard api doesn't call commit on new sub shards before switching shard states. Multiple bugs related to sub shard recovery and replication are also fixed.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1502458 13f79535-47bb-0310-9956-ffa450edef68