Announcing Nard SDK v2.10

[Ronny Nilsson]

Hi
A new stable version of Nard has been released. Please help spreading the 
word! Here is the changelog:

- Support for Pi model 3B+.
- Time zone auto sets based on public Internet IP-address.
- Improved PXE network boot support.
- New application; tinc (a VPN daemon).
- New application; OpenSSL (the mostly used SSL/TLS library).
- New application; wolfSSL (a lightweight SSL/TLS library).
- Dropbear SSH v2018.76 update.
- wpa_supplicant v2.7 update.
- Replace deprecated Wireless-Extensions with Netlink Protocol Library.
- scp from inside Nard works.
- Less NTP jitter.
- Set the system time from the RTC if one is available.
- Better parallel build utilization.
- Uses only one SSH host key instead of potentially three -> less
  false possitive eavesdropp warnings.
- Disabled WiFi connecting to any open network by default.

/Ronny