SOLR-6088: Add query re-ranking with the ReRankingQParserPlugin

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1600760 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6088: Add query re-ranking with the ReRankingQParserPlugin

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1600767 13f79535-47bb-0310-9956-ffa450edef68