remove node_modules and .gitignore them

node_modules/es5-ext/string/#/plain-replace-all.js

@@ -1,16 +0,0 @@
-"use strict";
-
-var value = require("../../object/valid-value");
-
-module.exports = function (search, replace) {
-	var index, pos = 0, str = String(value(this)), sl, rl;
-	search = String(search);
-	replace = String(replace);
-	sl = search.length;
-	rl = replace.length;
-	while ((index = str.indexOf(search, pos)) !== -1) {
-		str = str.slice(0, index) + replace + str.slice(index + sl);
-		pos = index + rl;
-	}
-	return str;
-};