Tweaked gitignore

gitignore removed all composer and npm files, so automated builds would fail

conf/site/node_modules/es5-ext/array/_sub-array-dummy.js

@@ -0,0 +1,15 @@
+"use strict";
+
+var setPrototypeOf = require("../object/set-prototype-of");
+
+module.exports = (function () {
+	var SubArray;
+
+	if (!setPrototypeOf) return null;
+	SubArray = function () { Array.apply(this, arguments); };
+	setPrototypeOf(SubArray, Array);
+	SubArray.prototype = Object.create(Array.prototype, {
+		constructor: { value: SubArray, enumerable: false, writable: true, configurable: true }
+	});
+	return SubArray;
+})();