Log Message:
wm: Revive qvwm package.

This was deleted a few years ago due to the gtk1 deprecation, but
removing its dependency on gtk1 is trivial and does not impact
its functionality.

I consider qvwm essential software for fun.

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qvwm is a window manager for the X Window System which provides a user
experience very close to Windows 95/98. It is small and extremely fast.