fix location for pandoractl install

ctl

@@ -75,11 +75,10 @@ if [ `whoami` != 'root' ]; then
     exit 1
 fi
 if [ "$action" = "install" ]; then
-    cd "`dirname "$0"`"
+    cd "`dirname "$self"`"
     BASE=`pwd`
     if [ -x /bin/systemctl ]; then
         if [ -d /etc/systemd/system/ ]; then
-            cd ${BASE}
             for template in gunicorn_config.py encoding.conf tasks.conf; do
                 if [ ! -e pandora/$template ]; then
                     $SUDO cp pandora/${template}.in pandora/$template