LUCENE-5376: add factory for SuggestStopFilter; get PostingsHighlighter MTQ highlighting working with block join queries; fix 0.0 score from block join group parent; add explicit label faceting; fix analyzing infix suggester highlighting; allow drill-downs on range facets

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5376@1572637 13f79535-47bb-0310-9956-ffa450edef68