upgrade version to 2.4.0.0-SNAPSHOT, matching elasticsearch version 2.4.0; update dependency versions: lucene-char-filter-chinese-simplifying -> 5.5.2.0, elasticsearch -> 2.4.0
upgrade version to 2.4.0.0-SNAPSHOT, matching elasticsearch version 2.4.0; update dependency versions: lucene-char-filter-chinese-simplifying -> 5.5.2.0, elasticsearch -> 2.4.0

dowenliu-xyz/elasticsearch-analysis-char-filter-chinese-simplifying