Merged revision(s) 1513903 from lucene/dev/trunk:
LUCENE-5170: Add getter for reuse strategy to Analyzer, make AnalyzerWrapper's reuse strategy configurable, fix strategy to be stateless

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1513908 13f79535-47bb-0310-9956-ffa450edef68