- Automatically grab the latest version of EasyRSA 3.x branch
- Adapt commands for CA and server certificates generation
- Rename vars from key_* to cert_* for those whose were not key related
- Keep default values if vars are empty
- Does not fail on empty MySQL root password, it is bad but it can happen
As the name of the file changed here : https://github.com/Chocobozzz/OpenVPN-Admin/pull/2 it should change also here, otherwise we get `sed: impossible de lire ./client-conf/windows/client.conf: Aucun fichier ou dossier de ce type`