add deps for npm 2

Author: hzoo

package.json

@@ -40,6 +40,8 @@
   "devDependencies": {
     "eslint": "^3.0.0",
     "eslint-config-babel": "^1.0.1",
+    "eslint-plugin-babel": "^3.3.0",
+    "eslint-plugin-flow-vars": "^0.5.0",
     "espree": "^3.0.0",
     "mocha": "^3.0.0"
   }