Prevents printing of duplicate router names.
(c) 2014
Added comments
Added option '-u <username>' to drc3.pl.

This allows to set the username for logon to remote device.
Added support for "remark" in ACL of NX-OS.
'crypto ipsec transform-set': 2nd. arg optional

Only the first transform is mandatory.
v1.083

 - Second and third transform name is optional now
   in command 'crypto ipsec transform-set' of IOS.
 - Added support for "remark" in ACL of NX-OS.
 - Added option '-u <username>' to drc3.pl to set the username for
   logon to remote device.
 - Fixed command 'missing-approve' to no longer print duplicate router
   names if both, netspoc file and raw file have changed.