- Modified signal handlers to never ignore SIGTERM.
- Modified signal handlers to never ignore SIGTERM.

- Fixed Listener cleanup - registered ListenerEvent and fixed the call to
  releaseOutputFilter().

--HG--
extra : convert_revision : svn%3A39a105f4-52d6-0310-bb1b-d6517044f2e4/trunk%40926

ged/mues