Added advanced settings for standalone connector

- max_concurrent_connections=100
- keep_alive_timeout=15
- max_tcp_clients=100
- socket_timeout=300
- max_keep_alive_requests=300
And then can be set via the options as well, and via .ini file.
Also improved the verbose console output system.

examples/simple/application.e

@@ -23,11 +23,7 @@ feature {NONE} -- Initialization
 				-- Specific to `standalone' connector (the EiffelWeb server).
 				-- See `{WSF_STANDALONE_SERVICE_LAUNCHER}.initialize'
  			set_service_option ("port", 9090)
-			set_service_option ("max_concurrent_connections", 10)
-			set_service_option ("keep_alive_timeout", 1)
-			set_service_option ("verbose", True)
+			import_service_options (create {WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI}.make_from_file ("simple.ini"))
 		end
 
-
-
 end