- Update to 3.0-1609-g7147a70
- jail -c: Always copy in QEMU emulator, even if not building from src.
- jail -c: Ensure MANIFEST is not empty or give an error.
- Clear CMD_ENV to disallow sneaking in environment vars
- Update libnv to the latest head @ r293361
- Update sh from head @ r293359
- Null-mount read-only /rescue and /nxb-bin into the jails as they will not
- Add a MUTABLE_BASE option (default yes) to experiment with null-mounting of
- Prefer https://download.FreeBSD.org for snapshot downloads from FreeBSD.
- Remove duplicate NM from make.nxb.conf.