Change sample DB host from mongohq to mongolab

Author: Chetan Karande

config/env/all.js

@@ -1,7 +1,7 @@
 // default app configuration
 module.exports = {
     port: process.env.PORT || 4000,
-    db:  process.env.MONGOLAB_URI || process.env.MONGODB_URI || "mongodb://nodegoat:owasp@widmore.mongohq.com:10000/nodegoat",
+    db:  process.env.MONGOLAB_URI || process.env.MONGODB_URI || "mongodb://nodegoat:owasp@ds159217.mlab.com:59217/nodegoat",
     cookieSecret: "session_cookie_secret_key_here",
     cryptoKey: "a_secure_key_for_crypto_here",
     cryptoAlgo: "aes256",