updated nmp dependencies

Author: planv

package.json

@@ -16,17 +16,17 @@
     "node": ">= 0.10.0"
   },
   "dependencies": {
-    "grunt": "^0.4.5",
-    "load-grunt-tasks": "^0.6.0"
+    "grunt": "^1.6.1",
+    "load-grunt-tasks": "^5.1.0"
   },
   "devDependencies": {
-    "grunt-contrib-clean": "~0.5.0",
-    "grunt-markdown": "~0.4.0",
-    "grunt-contrib-less": "~0.8.3",
-    "grunt-contrib-uglify": "~0.2.4",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt-phpunit": "~0.3.3",
-    "grunt-shell": "~0.6.0",
-    "grunt-json-minify": "~0.4.0"
+    "grunt-contrib-clean": "~2.0.1",
+    "grunt-markdown": "~0.7.0",
+    "grunt-contrib-less": "~3.0.0",
+    "grunt-contrib-uglify": "~5.2.2",
+    "grunt-contrib-watch": "~1.1.0",
+    "grunt-phpunit": "~0.3.6",
+    "grunt-shell": "~4.0.0",
+    "grunt-json-minify": "~1.1.0"
   }
 }