SOLR-5201 - AnalysisEngines are now created in the factory and passed to the processors with a JCas pool

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1520239 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5201: Fixed compression bug in LZ4.compressHC.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1520268 13f79535-47bb-0310-9956-ffa450edef68