Update bower package so that it actually works

- npm pls

package.json

@@ -13,8 +13,8 @@
     "node": ">= 0.10.0"
   },
   "devDependencies": {
-    "bower": "~1.2.8",
-    "grunt": "~0.4.2",
+    "bower": "~1.8.0",
+    "grunt": "~1.0.1",
     "grunt-autoprefixer": "~1.0.1",
     "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-concat": "~0.3.0",