migrated from jade to pug and bump versions

manifest.yml

@@ -1,6 +1,6 @@
 ---
 applications:
 - name: cf-nodejs
-  memory: 512M
+  memory: 64M
   instances: 1
   random-route: true

package.json

@@ -2,7 +2,7 @@
   "name": "cf-nodejs",
   "version": "1.0.0",
   "dependencies": {
-    "express": "^4.13.4",
-    "jade": "^1.11.0"
+    "express": "^4.18.1",
+    "pug": "^3.0.2"
   }
 }

server.js

@@ -4,7 +4,7 @@ var cf_app = require( './app/vcap_application')
 var cf_svc = require( './app/vcap_services')
 
 app.set( 'views', __dirname + '/views')
-app.set( 'view engine', 'jade')
+app.set( 'view engine', 'pug')
 app.use( express.static( __dirname + '/public'))
 
 app.get( '/', function ( req, res) {