admin scripts: removed VPN option - VPN enabled for every user.
gislab-unit: added possibility to add SSH public key
to user 'gislabunit' when creating installation ISO.
Merge branch 'master' of github.com:imincik/gis-lab
gislab-unit: delete APT lists before upgrade, disable APT proxy, clean up ansible playbook
Merge branch 'master' of github.com:imincik/gis-lab
install: removed configuration option for OpenVPN certificate.
install: disable regeneration OpenVPN certificates and keys and move them to '/etc/gislab' directory