Kill couch_db_event with supervisor functions
Kill couch_db_event with supervisor functions

Apparently gen_event ignores unknown kill messages so we'll force a
clean shutdown with superisor functions.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb