Update node dependencies

Author: joelfillmore

package.json

@@ -7,13 +7,13 @@
     "url": "http://thinkpixellab.com"
   },
   "dependencies": {
-    "grunt": "~0.4.0",
+    "grunt": "~0.4.1",
     "grunt-contrib-uglify": "~0.1.2",
     "grunt-contrib-jshint": "~0.2.0",
     "grunt-contrib-watch": "~0.3.1",
     "grunt-contrib-concat": "~0.1.3",
-    "grunt-contrib-copy": "~0.4.0",
-    "grunt-contrib-clean": "~0.4.0"
+    "grunt-contrib-copy": "~0.4.1",
+    "grunt-contrib-clean": "~0.4.1"
   },
   "devDependencies": {},
   "keywords": []