Disable no-underscore-dangle ESLint rule (MarkBind#650)

This is to allow the use of underscore naming convention for 
_privateMethods(), without having to manually disable the rule.

Author: luyangkenneth

.eslintrc.js

@@ -12,6 +12,7 @@ module.exports = {
   "rules": {
     "array-bracket-newline": ["error", { "multiline": true }],
     "func-names": "off",
+    "no-underscore-dangle": "off",
     "function-paren-newline": "off",
     "indent": [
       "error",

src/Site.js

@@ -1,5 +1,3 @@
-/* eslint-disable no-underscore-dangle */
-
 const cheerio = require('cheerio');
 const ejs = require('ejs');
 const fs = require('fs-extra-promise');
@@ -820,7 +818,6 @@ Site.prototype.deploy = function () {
   });
 };
 
-// eslint-disable-next-line no-underscore-dangle
 Site.prototype._setTimestampVariable = function () {
   const time = new Date().toUTCString();
   Object.keys(this.userDefinedVariablesMap).forEach((base) => {

src/lib/markbind/src/parser.js

@@ -1,5 +1,3 @@
-/* eslint-disable no-underscore-dangle */
-
 const cheerio = require('cheerio');
 const fs = require('fs');
 const htmlparser = require('htmlparser2');