Added zuul-local npm tasks

Author: mcollina

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "test": "./node_modules/.bin/mocha --recursive test",
     "zuul": "zuul -- test",
+    "zuul-local": "zuul --local -- test/*.js",
     "coverage": "rm -rf coverage; istanbul cover _mocha -- --recursive --reporter spec --bail",
     "publish-coverage": "cat coverage/lcov.info | coveralls"
   },