Bump eslint from 4.18.0 to 4.18.1 in /www

Bumps [eslint](https://github.com/eslint/eslint) from 4.18.0 to 4.18.1.
- [Release notes](https://github.com/eslint/eslint/releases/tag/v4.18.1)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.18.0...v4.18.1)

www/package.json

@@ -48,7 +48,7 @@
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",
     "enzyme-to-json": "^3.3.1",
-    "eslint": "^4.18.0",
+    "eslint": "^4.18.1",
     "eslint-config-airbnb": "^16.1.0",
     "eslint-config-prettier": "^2.9.0",
     "eslint-import-resolver-webpack": "^0.8.4",

www/yarn.lock

@@ -2985,9 +2985,9 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-eslint@^4.18.0:
-  version "4.18.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.0.tgz#ebd0ba795af6dc59aa5cee17938160af5950e051"
+eslint@^4.18.1:
+  version "4.18.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.1.tgz#b9138440cb1e98b2f44a0d578c6ecf8eae6150b0"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"