SOLR-6120: Print a helpful error message from zkcli.bat when war is not extracted.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1610463 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6120: Add names to CHANGES.txt


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1610465 13f79535-47bb-0310-9956-ffa450edef68