chore(package): update babel-eslint to version 9.0.0

Closes #38

Author: greenkeeper[bot]

package.json

@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "babel-core": "6.26.0",
-    "babel-eslint": "7.2.3",
+    "babel-eslint": "9.0.0",
     "babel-jest": "20.0.3",
     "babel-preset-react-native": "2.1.0",
     "coveralls": "3.0.0",