Central Authority Updates for Mentors/HoSes

[Carlarc]

Simple, I'd think that only having the mentors/HoSes do this could prevent abuse, yet still use the messages for important/funny (mostly funny) posts.
It'd be by having some kind of 'malfunctioning' console in the bridge that only accepts said user's IDs, instead of every head, but I'm completely fine with it being different!