Added the Rmc class

The Rmc class is currently empty.  It will eventually become a proxy class
for communicating with the rmcd daemon over the network.

mediachanger/castorrmc/rmc/rmc_mnt.man

@@ -81,7 +81,5 @@ Failed to parse ACS drive id.
 .TP
 .B SEINTERNAL
 Internal error.
-.SH SEE ALSO
-.BR Cupvlist(1) ,
 .SH AUTHOR
 \fBCASTOR\fP Team <castor.support@cern.ch>

mediachanger/castorrmc/rmc/rmc_unmnt.man

@@ -72,7 +72,5 @@ Failed to parse ACS drive id.
 .TP
 .B SEINTERNAL
 Internal error
-.SH SEE ALSO
-.BR Cupvlist(1) ,
 .SH AUTHOR
 \fBCASTOR\fP Team <castor.support@cern.ch>