chore(package): update eslint to version 5.0.1

Closes #74

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "babel-eslint": "^8.2.2",
     "babel-preset-env": "^1.6.0",
     "babel-register": "^6.9.0",
-    "eslint": "^4.1.1",
+    "eslint": "^5.0.1",
     "eslint-plugin-ava": "^4.2.1",
     "eslint-plugin-import": "^2.6.0",
     "eslint-plugin-itgalaxy": "^65.0.0",