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/base/browser/ui/splitview/panelview.css

@@ -0,0 +1,109 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+.monaco-panel-view {
+	width: 100%;
+	height: 100%;
+}
+
+.monaco-panel-view .panel {
+	overflow: hidden;
+	width: 100%;
+	height: 100%;
+	display: flex;
+	flex-direction: column;
+}
+
+.monaco-panel-view .panel > .panel-header {
+	font-size: 11px;
+	font-weight: bold;
+	text-transform: uppercase;
+	padding-left: 20px;
+	overflow: hidden;
+	display: flex;
+	cursor: pointer;
+}
+
+.monaco-panel-view .panel > .panel-header {
+	background-image: url('arrow-collapse.svg');
+	background-position: 2px center;
+	background-repeat: no-repeat;
+}
+
+.monaco-panel-view .panel > .panel-header.expanded {
+	background-image: url('arrow-expand.svg');
+	background-position: 2px center;
+	background-repeat: no-repeat;
+}
+
+.vs-dark .monaco-panel-view .panel > .panel-header {
+	background-image: url('arrow-collapse-dark.svg');
+}
+
+.vs-dark .monaco-panel-view .panel > .panel-header.expanded {
+	background-image: url('arrow-expand-dark.svg');
+}
+
+/* TODO: actions should be part of the panel, but they aren't yet */
+.monaco-panel-view .panel > .panel-header > .actions {
+	display: none;
+	flex: 1;
+}
+
+/* TODO: actions should be part of the panel, but they aren't yet */
+.monaco-panel-view .panel:hover > .panel-header.expanded > .actions,
+.monaco-panel-view .panel > .panel-header.focused.expanded > .actions {
+	display: initial;
+}
+
+/* TODO: actions should be part of the panel, but they aren't yet */
+.monaco-panel-view .panel > .panel-header > .actions .action-label {
+	width: 28px;
+	height: 22px;
+	background-size: 16px;
+	background-position: center center;
+	background-repeat: no-repeat;
+	margin-right: 0;
+}
+
+/* Bold font style does not go well with CJK fonts */
+.monaco-panel-view:lang(zh-Hans) .panel > .panel-header,
+.monaco-panel-view:lang(zh-Hant) .panel > .panel-header,
+.monaco-panel-view:lang(ja) .panel > .panel-header,
+.monaco-panel-view:lang(ko) .panel > .panel-header {
+	font-weight: normal;
+}
+
+.monaco-panel-view .panel > .panel-header.hidden {
+	display: none;
+}
+
+.monaco-panel-view .panel > .panel-body {
+	overflow: hidden;
+	flex: 1;
+}
+
+/* Animation */
+
+.monaco-panel-view.animated .split-view-view {
+	transition-duration: 0.15s;
+	-webkit-transition-duration: 0.15s;
+	-moz-transition-duration: 0.15s;
+	transition-timing-function: ease-out;
+	-webkit-transition-timing-function: ease-out;
+	-moz-transition-timing-function: ease-out;
+}
+
+.monaco-panel-view.animated.vertical .split-view-view {
+	transition-property: height;
+	-webkit-transition-property: height;
+	-moz-transition-property: height;
+}
+
+.monaco-panel-view.animated.horizontal .split-view-view {
+	transition-property: width;
+	-webkit-transition-property: width;
+	-moz-transition-property: width;
+}