[MAP] New Brig Layout/Additions v2

https://github.com/tgstation/-tg-station/pull/3357

Had to fix a problem, all good now. Sorry but no one wants 9000 additions, 9000 deleations.

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A overhaul, to an extent, of the brig design and contents for Boxstation.

Brig Map Overhead
https://dl.dropboxusercontent.com/s/kkscw0lpid8ka0g/System%20Spess%20Junk%20Six%202014-04-07%20225523.png

What's new?
-Prisoner Transfer Room (Execution room): AI control on the two doors is cut and no cameras.
-Insane Ward: Used in detaining insane prisoners, actually used to assist in deconversion of cultists.
-New Armoury Contents!

Ion Rifle
2 Riot Shotguns
8 Beanbag Shells
Box of Tear Gas Grenades
Deactivated Securitron Unit (Securitron 1138)
Replaced standard Gas Mask with Sec Gas Masks.
-Rearranged the HoS's Office (Also fixed missing disposal pipes).
-Rearranged the break room tables.
-Moved the HoS's spawn to be near the Officers spawn.
-Added a connection hallway connecting the Gulag Shuttle to Perma Hallway.
-Removed the Evidence Holding room and moved it down to the main hallway.
-Added a wall mounted flasher by the brig entrance.
-Adds a new door connecting the Warden's Office to the break room.

NOT SHOWN
-Added a recharger to the Sec Checkpoint at the escape wing.

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