style: changes in eslint config for eslint v4

.eslintrc.yml

@@ -9,7 +9,7 @@ rules:
   curly: [2, multi-or-nest, consistent]
   dot-location: [2, property]
   dot-notation: 2
-  indent: [2, 2, SwitchCase: 1]
+  indent-legacy: [2, 2, SwitchCase: 1]
   linebreak-style: [2, unix]
   new-cap: 2
   no-console: [2, allow: [warn, error]]
@@ -26,3 +26,4 @@ rules:
   strict: [2, global]
   valid-jsdoc: [2, requireReturn: false]
   no-control-regex: 0
+  no-useless-escape: 0