Merge pull request #7 from PolkaJS/greenkeeper/babel-eslint-8.0.0

Update babel-eslint to the latest version 🚀

Author: CraigglesO

package.json

@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",
-    "babel-eslint": "^7.2.3",
+    "babel-eslint": "^8.0.0",
     "babel-preset-flow": "^6.23.0",
     "eslint": "^4.0.0",
     "flow-bin": "^0.53.0",