add a missing alt2canonical()
UID Collect for QEMU/KVM guests does not work properly

UUID is truncated at the first "-" when using Qemu.pm

That's because the arguments are also splittet at "-", so the next uuid
bytes won't be parsed.

closes: #2106
add VIRTUALMACHINES/SERIAL
add a test for Qemu.pm
support -name
refresh the Changes file