upgrade some libs.

Gruntfile.js

@@ -74,8 +74,6 @@ module.exports = function(grunt) {
 
   config.env = process.env;
 
-
-
 
   // App Kit's Main Tasks
   // ====================

package.json

@@ -22,29 +22,29 @@
   "author": "",
   "license": "MIT",
   "devDependencies": {
-    "express": "~3.4.2",
-    "lockfile": "~0.3.4",
+    "express": "~3.4.8",
+    "lockfile": "~0.4.2",
     "bower": "~1.2.7",
     "grunt": "~0.4.2",
     "grunt-cli": "~0.1.9",
     "load-grunt-config": "~0.7.0",
     "grunt-contrib-watch": "~0.5.3",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-concat": "~0.3.0",
-    "grunt-contrib-clean": "~0.4.1",
+    "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-jshint": "~0.8.0",
     "grunt-contrib-uglify": "~0.2.7",
     "grunt-contrib-cssmin": "~0.6.2",
     "grunt-preprocess": "~3.0.1",
     "grunt-es6-module-transpiler": "~0.6.0",
-    "grunt-concat-sourcemap": "~0.3.2",
-    "grunt-concurrent": "~0.3.1",
+    "grunt-concat-sourcemap": "~0.4.0",
+    "grunt-concurrent": "~0.4.3",
     "grunt-usemin": "~0.1.13",
     "grunt-rev": "~0.1.0",
     "grunt-ember-templates": "~0.4.18",
-    "grunt-contrib-testem": "~0.5.11",
+    "grunt-contrib-testem": "~0.5.14",
     "express-namespace": "~0.1.1",
-    "request": "~2.27.0",
+    "request": "~2.33.0",
     "loom-generators-ember-appkit": "~1.0.2",
     "originate": "~0.1.5",
     "loom": "~3.1.2",