SOLR-5274: Allow JettySolrRunner SSL config to be specified via a constructor.
Updating org.apache.httpcomponents above 4.2.2 causes tests using SSL to fail.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1526501 13f79535-47bb-0310-9956-ffa450edef68