NTRC bugfixes

Removed operator status and who command to reduce metafriending, circlejerking, etc
Removed all commands but /join, /register (which locks your current ID to your PDA) and /log (which actually works now).
PDAs will now only ring if someone said your nick in the chatroom, so real.
Fixes #5680
Fixes #5657

Also adding myself to admins.txt