CASTOR-5094 RFE: xrootd-plugins should read keys from /etc/castor

Fixed.

xrootd/xrd.cf.manager.etc

@@ -48,7 +48,7 @@ xcastor2.stagermap /                     default
 #-------------------------------------------------------------------------------
 xcastor2.targetport 1095
 xcastor2.capability true
-xcastor2.privatekey /opt/xrootd/keys/key.pem
+xcastor2.privatekey /etc/castor/key.pem
 xcastor2.tokenlocktime 60
 xcastor2.proc /var/log/xroot/manager
 

xrootd/xrd.cf.server.etc

@@ -21,8 +21,8 @@ ofs.persist off
 ofs.authlib /usr/lib64/libxrdxcastor2acc.so.2.1
 ofs.authorize
 xcastor2.capability true
-xcastor2.publickey default /opt/xrootd/keys/pkey.pem
-#xcastor2.publickey tape /opt/xrootd/keys/tape_pkey.pem
+xcastor2.publickey default /etc/castor/pkey.pem
+#xcastor2.publickey tape /etc/castor/tape_pkey.pem
 
 #-------------------------------------------------------------------------------
 # Log level which is the same as the one used by syslog. By default it's INFO.