0.4.4 (2016-03-04)

1. New Feature: experimental nginx body filter by Java/Clojure/Groovy (issue #107)
2. New Feature: read request body by event callback (issue #109)
3. Bug Fix: 500 (internal server error) returns when committing 2000+ files to nginx as a proxy for apache mod_dav_svn (issue #106)