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/vs/workbench/services/textmodelResolver/test/textModelResolverService.test.ts

@@ -72,7 +72,7 @@ suite('Workbench - TextModelResolverService', () => {
 
 		return input.resolve().then(async model => {
 			assert.ok(model);
-			assert.equal(snapshotToString((model as ResourceEditorModel).createSnapshot()), 'Hello Test');
+			assert.equal(snapshotToString((model as ResourceEditorModel).createSnapshot()!), 'Hello Test');
 
 			let disposed = false;
 			let disposedPromise = new Promise(resolve => {