$OpenBSD$
For offline to not use the network.
Index: package.json
--- package.json.orig
+++ package.json
@@ -32,7 +32,7 @@
   ],
   "scripts": {
     "test": "./node_modules/.bin/grunt test",
-    "postinstall": "./node_modules/.bin/bower install"
+    "postinstall": "./node_modules/.bin/bower install --offline"
   },
   "devDependencies": {
     "grunt-contrib-nodeunit": "^0.4",
