[eslint-v2][whitespace] add newline-per-chained-call rule

packages/eslint-config-airbnb/rules/style.js

@@ -59,6 +59,9 @@ module.exports = {
     'new-parens': 0,
     // allow/disallow an empty newline after var statement
     'newline-after-var': 0,
+    // enforces new line after each method call in the chain to make it more readable and easy to maintain
+    // http://eslint.org/docs/rules/newline-per-chained-call
+    'newline-per-chained-call': [2, { "ignoreChainWithDepth": 3 }],
     // disallow use of the Array constructor
     'no-array-constructor': 0,
     // disallow use of the continue statement