feat(build): Adding npm-lockdown

package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "start": "grunt server",
     "postinstall": "bower install",
+    "lockdown": "./node_modules/.bin/lockdown-relock",
     "test": "intern-runner config=tests/intern",
     "test-browser": "intern-runner config=tests/intern_browser",
     "test-remote": "intern-runner config=tests/intern_sauce",
@@ -68,6 +69,7 @@
     "jsxgettext-recursive": "0.0.3",
     "jwcrypto": "0.4.3",
     "load-grunt-tasks": "~0.3.0",
+    "lockdown": "0.0.5",
     "mkdirp": "~0.3.5",
     "time-grunt": "~0.2.9"
   },