Since Ubuntu 15.10/16.04 has moved to systemd, share CentOS/Fedora's systemd unit file with Ubuntu. Fixes scylladb/scylla#1283 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1464083473-1701-1-git-send-email-syuu@scylladb.com>
