SOLR-6248: MoreLikeThis QParser that works in standalone/cloud mode (merge from trunk)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1634939 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6248: Removing svn:keywords that got auto-added with the commit hook. (merge from trunk)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1634942 13f79535-47bb-0310-9956-ffa450edef68