Merge VS Code 1.21 source code (#1067)

* Initial VS Code 1.21 file copy with patches

* A few more merges

* Post npm install

* Fix batch of build breaks

* Fix more build breaks

* Fix more build errors

* Fix more build breaks

* Runtime fixes 1

* Get connection dialog working with some todos

* Fix a few packaging issues

* Copy several node_modules to package build to fix loader issues

* Fix breaks from master

* A few more fixes

* Make tests pass

* First pass of license header updates

* Second pass of license header updates

* Fix restore dialog issues

* Remove add additional themes menu items

* fix select box issues where the list doesn't show up

* formatting

* Fix editor dispose issue

* Copy over node modules to correct location on all platforms

extensions/markdown/media/loading.js

@@ -6,10 +6,11 @@
 
 'use strict';
 
-
 (function () {
 	const unloadedStyles = [];
 
+	const settings = JSON.parse(document.getElementById('vscode-markdown-preview-data').getAttribute('data-settings'));
+
 	const onStyleLoadError = (event) => {
 		const source = event.target.dataset.source;
 		unloadedStyles.push(source);
@@ -27,10 +28,13 @@
 		if (!unloadedStyles.length) {
 			return;
 		}
-		const args = [unloadedStyles];
 		window.parent.postMessage({
-			command: 'did-click-link',
-			data: `command:_markdown.onPreviewStyleLoadError?${encodeURIComponent(JSON.stringify(args))}`
-		}, 'file://');
+			type: 'command',
+			source: settings.source,
+			body: {
+				command: '_markdown.onPreviewStyleLoadError',
+				args: [unloadedStyles]
+			}
+		}, '*');
 	});
 }());