isr_admin: Remove UUIDs from VMDK files in filter_cfgdir()
isr_admin: Remove UUIDs from VMDK files in filter_cfgdir()

- VirtualBox adds UUIDs to the VMDK files it creates, and of course those
shouldn't be common between parcels.  Remove all ddb.uuid.* keys from *.vmdk
when doing a copyparcel().

cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr