Mining and Labour shuttles will not move if the nuke disk is on board

Additionally,
-Adds labour shuttle to admin secrets
-Admin shuttle moves have no delay and ignore the disk check
message_admins are already spanned, so I'll just remove all the \blues
Removed an extra period
Merge pull request #551 from Ikarrus/shuttlediskcheck

Mining and Labour shuttles will not move if the nuke disk is on board