updating the dependencies

Author: aminya

package.json

@@ -30,10 +30,10 @@
     }
   ],
   "dependencies": {
-    "fs-plus": "^3.0.0",
-    "less": "^2.7.1",
-    "underscore-plus": "1.x",
-    "walkdir": "0.0.11"
+    "fs-plus": "^3.1.1",
+    "less": "^3.12.2",
+    "underscore-plus": "^1.7.0",
+    "walkdir": "^0.4.1"
   },
   "devDependencies": {
     "coffeescript": "^1.12.7",