prepare for release
remove some old CentOS stuff
update paths for new Debian packages
also fix running daemon-sync on update
fix running daemon-sync
Merge branch 'v2'
remove keys directories instead of files

Fixes: https://todo.sr.ht/~eduvpn/server/57
handle vpn-server-node/config/keys
delete the correct files after keys move
also delete keys from node dir
db init no longer needed
also remove CA on reset
list which controllers/nodes will be updated
support multiple controllers
stop when apply changes fails
only run daemon-sync when executed from portal
copy the node key at the right time
update maint scripts
handle WireGuard changes