ui: added ApplicationSettingsScreen

* opens on first start autmatically
* open from the menu under Preferences
* show version number on splash screen
* added recent projects markup to app settings template
* moved all qt window classes to qt/window
* put common form stuff from project setup and app settings into QtSettingsWindow

bin/app/data/gui/setting_window/listbox.css

@@ -0,0 +1,64 @@
+QtDirectoryListBox {
+	background-color: rgba(255, 255, 255, 200);
+	border: 1px solid lightgray;
+	border-radius: 12px;
+}
+
+QListWidget {
+	background: transparent;
+	border: none;
+	margin: 2px 0 2px 0;
+}
+
+QListWidget::item {
+	border-bottom: 1px solid lightgray;
+	height: 20px;
+}
+
+QListWidget::item:selected {
+	background-color: #EEE;
+}
+
+
+QtListItemWidget #field {
+	background-color: transparent;
+	border: none;
+	font-size: 12px;
+	margin-top: 2px;
+}
+
+QtListItemWidget #button {
+	border: 1px solid lightgray;
+	border-radius: 8px;
+	font-size: 12px;
+	margin-top: 2px;
+	margin-right: 2px;
+	width: 20px;
+}
+
+QtListItemWidget #button:hover {
+	color: white;
+	background: #2D3F85;
+}
+
+#bar {
+	border-top: 1px solid lightgray;
+}
+
+#roundedButton {
+	background: dimgray;
+	border-radius: 8px;
+	color: white;
+	font-size: 15px;
+	height: 16px;
+	margin-right: 3px;
+	width: 16px;
+}
+
+#roundedButton:hover {
+	background: gray;
+}
+
+#dropInfo {
+	color: lightgray;
+}