AboutDialog::AboutDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::AboutDialog)
{
    ui->setupUi(this);
    ui->versionLabel->setText(Reihenaufnahme::applicationVersion());
    manager = 0;
    initAbout();
    initAuthors();
    initThanksto();
    initLicense();
}
DataStorage::DataStorage(){
    initPages();
    initBooks();
    initAuthors();
}