bump Grunt to v0.4.3; fixes #4

Author: cvrebert

package.json

@@ -31,12 +31,12 @@
     "grunt-contrib-jshint": "~0.8.0",
     "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-nodeunit": "~0.3.2",
-    "grunt": "~0.4.2",
+    "grunt": "~0.4.3",
     "grunt-jscs-checker": "~0.4.0",
     "load-grunt-tasks": "~0.4.0"
   },
   "peerDependencies": {
-    "grunt": "~0.4.2"
+    "grunt": "~0.4.3"
   },
   "engines": {
     "node": ">= 0.10.0"