Adding cta-taped.service for the systemd

tapeserver/cta-taped.service

+[Unit]
+Description=CERN Tape Archive (CTA) tape server daemon
+After=syslog.target network-online.target
+
+[Service]
+EnvironmentFile=-/etc/sysconfig/cta-taped
+ExecStart=/usr/bin/cta-taped ${CTA_TAPED_OPTIONS}
+Type=forking
+Restart=no
+
+[Install]
+WantedBy=default.target

tapeserver/cta-taped.sysconfig

@@ -3,7 +3,7 @@
 #   -h             display help and exit
 #   -c             config file location (cta.conf)
 #
-#CTA_TAPED_OPTIONS=
+#CTA_TAPED_OPTIONS="--config=/etc/cta/cta.conf"
 
 # Environment variables to configue the libXrdCl.so linked with cta-taped
 #