Fixes the button-less Permbrig flasher, adds the missing intercom to interrogation. Fixes an atmos closet with pipe problems next to security.
Merge pull request #3504 from meyar/master

And I said, let there be prison radio ERP. And some prison fixes too.
Very very old bug.

From Russia with love
Internals box fix.
Added potential for chief engineer's locker to spawn with either a brown vest or webbing
Merge pull request #3508 from LethalGhost/patch-1

fix incorrect mask display.
Merge pull request #3511 from DJSnapshot/master

Added brown vest or webbing for chief engineer's locker
Merge pull request #3507 from Segrain/master

Internals for everyone.
Merge pull request #3505 from Zuhayr/master

Language cleanup/mouse speech fix.