* support empty /etc boots nicely:
- tmpfiles: add nice way to copy files /usr/share/factory/etc → /etc
- nspawn/gpt-generator: introduce new gpt partition type for /usr
* support empty /etc boots nicely:
- tmpfiles: add nice way to copy files /usr/share/factory/etc → /etc
- nspawn/gpt-generator: introduce new gpt partition type for /usr