Require library from dependencies

Author: christiand93

sample/winston-sample/web.js

@@ -1,5 +1,5 @@
 var express = require('express');
-var log = require("../../build/main/index");
+var log = require("cf-nodejs-logging-support");
 var winston = require('winston');
 
 var app = express();
@@ -17,4 +17,4 @@ app.get('/', function (req, res) {
 app.listen(3000);
 
 // Messages will now be logged exactly as demonstrated by the Custom Messages paragraph
-logger.log("info", "Server is listening on port %d", 3000);
+logger.log("info", "Server is listening on port %d", 3000);