Fixes missing entropy in the uuid package.
Fixes missing entropy in the uuid package.

math/crypto is seeded with 1 and thus will create predictable UUIDs. Because
amazon-instance and amazon-ebs in the same second when building both targets
the timestamp in front doesn't help either. See #552

TranscendComputing/packer,TranscendComputing/packer,suma/packer,suma/packer,suma/packer,TranscendComputing/packer,Kaixiang/packer,TranscendComputing/packer,Kaixiang/packer,Kaixiang/packer,suma/packer,Kaixiang/packer