fixes #83 (see snoozenode)
Generates a "blank" serial section in the libvirt template.

M
fixes #87
add hypervisor test.

M
Merge pull request #20 from msimonin/fix83

fixes #83 (see snoozenode)
Merge pull request #21 from msimonin/fix87addTestHypervisor

add hypervisor test.