ICANN may not control all of the clearnet

This makes it easier to potentially replace apt-get in future

In most cases we're writing to a microSSD or SSD, so shredding doesn't make sense

This seems to cause problems when building images

Obnam restores with the full path. duplicity restores with the relative path

This isn't ideal because it means you can't set up the system from an onion address

This reverts commit 90c70ed4.

This reverts commit 5bab5cde.