SOLR-6565: SolrRequest support for query params

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1627898 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5969, LUCENE-5412: add more infos/metadata safety

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1627941 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5969: recreate branch

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5969@1627945 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5969: assert -> check

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5969@1627951 13f79535-47bb-0310-9956-ffa450edef68