Initial VS Code 1.19 source merge (#571)

* Initial 1.19 xcopy

* Fix yarn build

* Fix numerous build breaks

* Next batch of build break fixes

* More build break fixes

* Runtime breaks

* Additional post merge fixes

* Fix windows setup file

* Fix test failures.

* Update license header blocks to refer to source eula

src/vs/base/test/node/encoding/encoding.test.ts

@@ -8,6 +8,7 @@
 import assert = require('assert');
 
 import encoding = require('vs/base/node/encoding');
+import { encodingExists } from 'vs/base/node/encoding';
 
 suite('Encoding', () => {
 	test('detectBOM UTF-8', (done: (err?: any) => void) => {
@@ -54,4 +55,21 @@ suite('Encoding', () => {
 			done();
 		}, done);
 	});
+
+	test('resolve terminal encoding (detect)', function (done: (err?: any) => void) {
+		encoding.resolveTerminalEncoding().then(encoding => {
+			assert.ok(encodingExists(encoding));
+			done();
+		}, done);
+	});
+
+	test('resolve terminal encoding (environment)', function (done: (err?: any) => void) {
+		process.env['VSCODE_CLI_ENCODING'] = 'utf16le';
+
+		encoding.resolveTerminalEncoding().then(encoding => {
+			assert.ok(encodingExists(encoding));
+			assert.equal(encoding, 'utf16le');
+			done();
+		}, done);
+	});
 });