4.10.2 release

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1635127 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6631: DistributedQueue spinning on calling zookeeper getChildren()

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1635131 13f79535-47bb-0310-9956-ffa450edef68