Script to install OpenVPN software on Fedora 20

Script to Install openvpn on fedora 20 with the transition to systemd, OpenVPN no longer has a single monolithic init script, where every connection with a configuration file in/etc/openvpn/ is started automatically. Instead, individual connections can be started and stopped with systemctl.

For example, to start a connection, run systemctl start openvpn@foo.service, where the connection is defined in/etc/openvpn/foo.conf.