chore(package): update babel-eslint to version 8.1.1

Closes #58

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
   "devDependencies": {
     "babel-cli": "6.24.1",
     "babel-core": "6.25.0",
-    "babel-eslint": "^7.1.0",
+    "babel-eslint": "^8.1.1",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-0": "^6.24.1",
     "snazzy": "7.0.0",