fix: append PORT to URL_PREFIX only if WHYD_URL_PREFIX is not provided (

#198)

cf cc3af51#commitcomment-33865126

app.js

@@ -89,8 +89,8 @@ var params = (process.appParams = {
   dev: process.env['WHYD_DEV'] || false, // hot re-loading of node controllers, models and views
   port: process.env['WHYD_PORT'] || 8080, // overrides app.conf
   urlPrefix:
-    (process.env['WHYD_URL_PREFIX'] || 'http://localhost:') +
-    (process.env['WHYD_PORT'] || 8080), // base URL of the app
+    process.env['WHYD_URL_PREFIX'] ||
+    `http://localhost:${process.env['WHYD_PORT'] || 8080}`, // base URL of the app
   mongoDbHost: process.env['MONGODB_HOST'] || 'localhost',
   mongoDbPort: process.env['MONGODB_PORT'] || mongodb.Connection.DEFAULT_PORT, // 27017
   mongoDbAuthUser: process.env['MONGODB_USER'],