Construction Mode: Fix annoying extra messages when using object placer
This is done by moving object placer away from the drill strike, which
permits timer keys.
#include <QApplication>
#include "mainform.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWindow *mainWin = new MyWindow;
mainWin->show();
return app.exec();
}