* Minimal build setup (#1463)
* Netplan folder check & armbian-tools dependency on expect (and tcl) solved (#1464)
* Prevent netplan configration if it is not installed
* Resolved expect dependecy of armbian-tools
* More packages added for armbian-tools
* Added python3-apt and rsyslog to minimal installation
* Debootstrap variant doesn't play nice. We loose networking and it affects standard builds as well. Removing.
* Python-to-Bash conversion (#1470)
* Remove python3-apt dependency from BSP package, fix netplan error also on Disco and putting back varint=minbase ... tested Disco, Bionic
* Distinguish package list: *-minimal.list and *-desktop.list
* Enable Wireguard back which was removed by mistake. https://github.com/armbian/build/issues/1471
* Having minbase debootstrap variant for all will require further adjustements with current package base - backward compatibility. Minimal image is now Python free but need further testings ...
* Add wireless-regdb and crda to the pakage base, fix Ubuntu keyring warning while debootstrap.
* Add figlet to sort out missing fonts
* Moving few packages here and there. Bugfix when creating a cache package list
* Manually compared base images - they are the same with small insignificant difference. Minimal image has to be futher tuned
* Adjustements for bash powered lsb_release, adding some needed packages
* Fixed (no) network problems on Bionic/Disco
* Add rsync to debootstrap_list and few minor fixes
* Adjust text in lsb_release
* Olimex Micro A20: fix wrong boot config
* Remove duplicate depenedency
* Odroid C1: adjust kernel config
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