Fixed typo in helper.js and updated dependencies

frameworks/JavaScript/nodejs/helper.js

@@ -53,7 +53,7 @@ var self = module.exports = {
     } else if (headerType === 'json') {
       headers['Content-Type'] = 'application/json';
     } else if (headerType === 'html') {
-      headers['Content-Type'] = 'text/html; cherset=UTF-8';
+      headers['Content-Type'] = 'text/html; charset=UTF-8';
     }
 
     res.writeHead(200, headers);

frameworks/JavaScript/nodejs/package.json

@@ -3,15 +3,15 @@
   "version": "0.0.1",
   "private": true,
   "dependencies": {
-    "async": "1.2.0",
+    "async": "1.5.0",
     "bluebird": "^2.9.27",
     "handlebars": "^3.0.3",
     "hiredis": "^0.4.0",
-    "mongodb": "2.0.33",
-    "mongoose": "4.0.4",
+    "mongodb": "2.1.2",
+    "mongoose": "4.3.4",
     "mysql": "2.7.0",
     "parseurl": "^1.3.0",
-    "pg": "^4.3.0",
+    "pg": "^4.4.3",
     "pg-hstore": "^2.3.2",
     "redis": "^0.12.1",
     "sequelize": "3.1.1"