Refresh master with initial release/0.24 snapshot (#332)

* Initial port of release/0.24 source code

* Fix additional headers

* Fix a typo in launch.json

src/vs/platform/credentials/test/node/keytar.test.ts

@@ -0,0 +1,26 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import * as assert from 'assert';
+import * as platform from 'vs/base/common/platform';
+
+suite('Keytar', () => {
+
+	test('loads and is functional', done => {
+		if (platform.isLinux) {
+			// Skip test due to set up issue with Travis.
+			done();
+			return;
+		}
+		(async () => {
+			const keytar = await import('keytar');
+			await keytar.setPassword('VSCode Test', 'foo', 'bar');
+			assert.equal(await keytar.getPassword('VSCode Test', 'foo'), 'bar');
+			await keytar.deletePassword('VSCode Test', 'foo');
+			assert.equal(await keytar.getPassword('VSCode Test', 'foo'), undefined);
+		})().then(done, done);
+	});
+});