ovpn_copy_server_files: Copy openvpn.conf instead of symlinking locally.
ovpn_copy_server_files: Copy openvpn.conf instead of symlinking locally.

Symlinked files can be resolved by rsync when using the configuration on remote
servers but for local testing having the actual file is beneficial.

shanonvl/docker-openvpn,richnologies/docker-openvpn,caervs/docker-openvpn,slamont/docker-openvpn,morcavon/docker-openvpn,mouyigang/docker-openvpn,rdev02/docker-openvpn,kylemanna/docker-openvpn,dx9/docker-openvpn,myplacedk/docker-openvpn,gl-sergei/docker-openvpn,elie195/docker-openvpn,csakoda/docker-openvpn,hjnijlunsing/docker-openvpn-armhf