added 'none' as a --log-format

bin/ws.js

@@ -16,7 +16,7 @@ var dope = require("console-dope"),
 
 var usage =
 "usage: \n\
-$ ws [--directory|-d <dir>] [--port|-p <port>] [--log-format|-f dev|default|short|tiny|logstalgia] [--compress|-c]\n\
+$ ws [--directory|-d <dir>] [--port|-p <port>] [--log-format|-f node|dev|default|short|tiny|logstalgia] [--compress|-c]\n\
 $ ws --config\n\
 $ ws --help|-h";
 
@@ -78,6 +78,9 @@ if (argv.config){
 
     /* log using --log-format (if supplied) */
     if(argv["log-format"]) {
+        if (argv["log-format"] === "none"){
+            // do nothing, no logging required
+        } else {
             if (argv["log-format"] === "logstalgia"){
                 /* customised logger :date token, purely to satisfy Logstalgia. */
                 morgan.token("date", function(){
@@ -89,6 +92,7 @@ if (argv.config){
             }
 
             app.use(morgan(argv["log-format"]));
+        }        
 
     /* if no specific `--log-format` required, pipe the default web log output
     into `log-stats`, which prints statistics to the console */