Do not reveal admin and mod centre usage unless allowed to see it as per issue SimpleMachines/SMF2.1#4972
Do not reveal admin and mod centre usage unless allowed to see it as per issue SimpleMachines/SMF2.1#4972

Signed-off-by: James Robson <46f1a0bd5592a2f9244ca321b129902a06b53e03@sorck.net>

StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery