Log Message:
Updated sysutils/dc-tools to 1.2

Changes to dc-burn-netbsd
- If run as non root, call sudo where root is required
- Adjust -r to permit explicit list of tarfiles to extract
- Enumerate all possible tarfiles to avoid having to query NetBSD site
- Add -e option to tun emulator (gxemul) on result
- Fix rework of extracted files to create viable live image
- Implement -v '?' to list available versions (from main NetBSD site)
- Automatically check NetBSD-archive directory for older NetBSD versions