Vscode merge (#4582)

* Merge from vscode 37cb23d3dd4f9433d56d4ba5ea3203580719a0bd

* fix issues with merges

* bump node version in azpipe

* replace license headers

* remove duplicate launch task

* fix build errors

* fix build errors

* fix tslint issues

* working through package and linux build issues

* more work

* wip

* fix packaged builds

* working through linux build errors

* wip

* wip

* wip

* fix mac and linux file limits

* iterate linux pipeline

* disable editor typing

* revert series to parallel

* remove optimize vscode from linux

* fix linting issues

* revert testing change

* add work round for new node

* readd packaging for extensions

* fix issue with angular not resolving decorator dependencies

src/bootstrap.js

@@ -118,6 +118,36 @@ exports.writeFile = function (file, content) {
 		});
 	});
 };
+
+/**
+ * @param {string} dir
+ * @returns {Promise<string>}
+ */
+function mkdir(dir) {
+	const fs = require('fs');
+
+	return new Promise((c, e) => fs.mkdir(dir, err => (err && err.code !== 'EEXIST') ? e(err) : c(dir)));
+}
+
+/**
+ * @param {string} dir
+ * @returns {Promise<string>}
+ */
+exports.mkdirp = function mkdirp(dir) {
+	const path = require('path');
+
+	return mkdir(dir).then(null, err => {
+		if (err && err.code === 'ENOENT') {
+			const parent = path.dirname(dir);
+
+			if (parent !== dir) { // if not arrived at root
+				return mkdirp(parent).then(() => mkdir(dir));
+			}
+		}
+
+		throw err;
+	});
+};
 //#endregion
 
 //#region NLS helpers