It should allow to directly order a KVM

Functionality dropped.

Keep code and logic, but make it disabled.

Keep backward compatibility transition.

Keep only original states.

Logic will be not used.

It will ease transition.

It need to be applied also on trade model generated movements.

It needs to follow invoice definition in order to be correctly expanded.

This returns the full list of computer's software release (to install and
installed)

This allow coexists with outside of vifib objects.