Include Bochs as Windows virtual machine type.

Update virtual.rb to include Windows VM detection when virtual machine is detected as model 'Bochs'
Merge branch 'ticket/stable/22844-virtual-fact-kvm-windows' into stable
(packaging) (#22726) Add saucy as a package build target
Merge pull request #552 from shrug/stable

(packaging) (#22726) Add saucy as a package build target
Merge branch 'stable'

* stable:
  (packaging) (#22726) Add saucy as a package build target
  Include Bochs as Windows virtual machine type.