Beginnings of settings page (#2)

* Make Moonlight icon the window icon for all windows

* Add dummy settings

* Add slider

* FIx comments

app/main.cpp

@@ -1,5 +1,6 @@
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
+#include <QIcon>
 
 // Don't let SDL hook our main function, since Qt is already
 // doing the same thing. This needs to be before any headers
@@ -29,6 +30,9 @@ int main(int argc, char *argv[])
 
     QGuiApplication app(argc, argv);
 
+    // FIXME this icon is low-resolution and appears a little fuzzy.
+    app.setWindowIcon(QIcon(":/res/icon128.png"));
+
     // Register our C++ types for QML
     qmlRegisterType<ComputerModel>("ComputerModel", 1, 0, "ComputerModel");
     qmlRegisterType<AppModel>("AppModel", 1, 0, "AppModel");