Protected export of WSF_RESPONSE_MESSAGE.send_to

Added WSF_DEFAULT_RESPONSE_SERVICE
Added simple WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI class to load launch option from ini file.

Removed a few obsolete features

library/server/wsf/src/response/wsf_file_response.e

@@ -150,7 +150,7 @@ feature -- Element change
 			update_content_length
 		end
 
-feature -- Output
+feature {WSF_SERVICE, WSF_RESPONSE} -- Output
 
 	send_to (res: WSF_RESPONSE)
 		local