Update grunt tasks.

Gruntfile.js

@@ -27,15 +27,11 @@ module.exports = function(grunt) {
 				options: {
 					updateDomains: true
 				},
-				target: {
-					files: {
 				src: [
 					'*.php',
 					'lib/**/*.php'
 				]
 			}
-				}
-			}
 		},
 
 		// Check text domain is last argument of i18n functions

package.json

@@ -20,8 +20,8 @@
     "grunt-jsvalidate": "^0.2.2",
     "grunt-phplint": "0.0.5",
     "grunt-styledocco": "^0.1.4",
-    "grunt-wp-i18n": "^0.4.7",
-    "load-grunt-tasks": "^0.6.0"
+    "grunt-wp-i18n": "^0.5.3",
+    "load-grunt-tasks": "^3.3.0"
   },
   "plugin": {
     "name": "Genesis Simple Sidebars",