FAI Jessie set-up

1. base install via old fai-jessie
2. base minimal config via salt

3. echo 'deb http://repo.atlas.local/reprepro fai contrib' > /etc/apt/sources.list.d/fai.list
   apt update
   apt install fai-server git curl wget
   cd /etc
   mv fai fai.dpkg
   git clone git@gitlab.aei.uni-hannover.de:atlas-admins/fai-etc.git fai
   mkdir -p /srv/fai
   cd /srv/fai
   git clone git@gitlab.aei.uni-hannover.de:atlas-admins/fai-config.git config
   fai-setup -v