added c++11 fixes

removed old components
disabled activity (for compiling reasons)
added wifi 2.4ghz hack

ui/MainWindow.cpp

@@ -27,7 +27,7 @@ MainWindow::MainWindow(QWidget *parent) : QWidget(parent) {
 	// ensure we are fullscreen
 	showMaximized();
 
-	sleep(1);
+//	sleep(1);
 	emit resizeEvent(nullptr);
 
 	// important! must be called AFTER window is visible