Support more X11 dialogs for X11::alert()
Modern distributions such as Fedora do not ship 'xdialog' with their default deployment. This commit adds support for Gnome's Zenity as well as KDE's kdialog.
Modern distributions such as Fedora do not ship 'xdialog' with their default deployment. This commit adds support for Gnome's Zenity as well as KDE's kdialog.