chore(package): update babel-eslint to version 7.0.0 (#18)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -39,7 +39,7 @@
   "devDependencies": {
     "babel-cli": "^6.7.7",
     "babel-core": "^6.7.7",
-    "babel-eslint": "^6.0.4",
+    "babel-eslint": "^7.0.0",
     "babel-preset-es2015": "^6.6.0",
     "code": "^3.0.0",
     "coveralls": "^2.11.9",