qubes-whonix alert script....

• https://github.com/Whonix/qubes-whonix/blob/master/usr/lib/qubes-whonix/alert
• https://github.com/Whonix/qubes-whonix/blob/master/usr/lib/qubes-whonix/messages.yaml
• https://github.com/Whonix/qubes-whonix/blob/master/usr/lib/qubes-whonix/qubes-whonixsetup

should be ported to whonixcheck because it does not really belong there. Leftover from the initial Qubes-Whonix implementation.