SOLR-5721: ConnectionManager can become stuck in likeExpired.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1568338 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3854: SSL support for SolrCloud. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1568340 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3854: Boost test timeouts - SSL can be slower.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1568341 13f79535-47bb-0310-9956-ffa450edef68