Added connect/express logger.

example-connect-logger.js

@@ -0,0 +1,16 @@
+var log4js = require('./lib/log4js')();
+log4js.addAppender(log4js.consoleAppender());
+log4js.addAppender(log4js.fileAppender('cheese.log'), 'cheese');
+  
+var logger = log4js.getLogger('cheese');
+
+logger.setLevel('INFO');
+
+var app = require('express').createServer();
+app.configure(function() {
+    app.use(log4js.connectLogger(logger, { level: log4js.levels.INFO }));
+});
+app.get('/', function(req,res) {
+    res.send('hello world');
+});
+app.listen(5000);