Better dependency versions for grunt packages, thanks @Krinkle!

package.json

@@ -26,14 +26,14 @@
 	},
 	"dependencies": {},
 	"devDependencies": {
-		"grunt-compare-size": "0.3.1",
-		"grunt-git-authors": "1.1.0-beta.1",
-		"grunt-update-submodules": "0.2.0",
-		"grunt-contrib-watch": "~0.1.4",
+		"grunt-compare-size": "~0.3.0",
+		"grunt-git-authors": "~1.1.0",
+		"grunt-update-submodules": "~0.2.0",
+		"grunt-contrib-watch": "~0.1.0",
 		"grunt-contrib-jshint": "~0.1.0",
 		"grunt-contrib-uglify": "~0.1.0",
-		"grunt": "~0.4.0rc4",
-		"grunt-cli": "0.1.6",
+		"grunt-cli": "~0.1.0",
+		"grunt": "~0.4.0",
 		"testswarm": "0.2.2"
 	},
 	"keywords": []