adding comfort functions  - show_help for help  - show_filter for filter_show
adding comfort functions
 - show_help for help
 - show_filter for filter_show

ContentSafe/journal-gateway-zmtp,travelping/journal-gateway-gelf,ContentSafe/journal-gateway-gelf,travelping/journal-gateway-zmtp,travelping/journal-gateway-zmtp,ContentSafe/journal-gateway-gelf,travelping/journal-gateway-gelf,ContentSafe/journal-gateway-zmtp