- Add to qvm-run:
- no-gui when command doesn't require a GUI
- filter-escape-chars when pass-io is set and output is not a file,
such as a pipe that could later be used to print information.
- Change remaining echo to printf
- Add end-of-options separator when possible
The removal was first implemented to get a clean state of the qube, but
there are side effects, it fails if the user created a named disposable
based on the dvm and also removes the (dvm) entry from the appmenu.
The sys-usb case is a workaround in case the user selected a
non-disposable, an appvm sys-usb during system installation.
