Upgrade: Update undertaker

Author: phated

package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "gulp-cli": "^0.1.3",
     "gulp-util": "^3.0.0",
-    "undertaker": "^0.1.0",
+    "undertaker": "^0.3.0",
     "vinyl-fs": "^0.3.0"
   },
   "devDependencies": {