Update "load-grunt-tasks" dependency

Author: markelog

package.json

@@ -22,7 +22,7 @@
     "grunt-cli": "~0.1.13",
     "grunt-contrib-jshint": "~0.11.2",
     "grunt-contrib-nodeunit": "~0.4.0",
-    "load-grunt-tasks": "~3.2.0",
+    "load-grunt-tasks": "^3.3.0",
     "time-grunt": "~1.2.1"
   },
   "keywords": [