add wiki name to log

lib/server.coffee

@@ -182,9 +182,12 @@ module.exports = exports = (argv) ->
   app.engine('html', hbs.express4())
   app.set('view options', layout: false)
 
-    # use logger, at least in development, probably needs a param to configure (or turn off).
+    # use morgan, at least in development, probably needs a param to configure (or turn off).
     # use stream to direct to somewhere other than stdout.
-  app.use(logger('tiny'))
+  wikiName = new URL(argv.url).hostname
+  morgan.token('vhost', () ->
+    return wikiName)
+  app.use(morgan(':vhost :method :url :status :res[content-length] - :response-time ms'))
   app.use(cookieParser())
   app.use(bodyParser.json({ limit: argv.uploadLimit}))
   app.use(bodyParser.urlencoded({ extended: true, limit: argv.uploadLimit}))