Update eslint-config-babel to version 2.0.1 🚀 (#408)

* chore(package): update eslint-config-babel to version 2.0.1

https://greenkeeper.io/

* Fix plugin

Author: greenkeeperio-bot

package.json

@@ -37,10 +37,11 @@
   },
   "homepage": "https://github.com/babel/babel-eslint",
   "devDependencies": {
+    "babel-eslint": "^7.0.0",
     "eslint": "^3.6.0",
-    "eslint-config-babel": "^1.0.2",
+    "eslint-config-babel": "^2.0.1",
     "eslint-plugin-babel": "^3.3.0",
-    "eslint-plugin-flow-vars": "^0.5.0",
+    "eslint-plugin-flowtype": "^2.4.0",
     "espree": "^3.3.1",
     "mocha": "^3.0.0"
   }