Upgraded Escape and Security Podbays

Major changes to the Escape and Security podbays. Minor changes in space
around the vault. Minor change of acute treatment roller beds to beds.
PDA Fix
Merge pull request #489 from Fox-McCloud/PDA-Cart-Fix

Pda cart fix
Merge pull request #488 from fj45/master

Upgraded Escape and Security Podbays
Merge pull request #44 from ZomgPonies/master

Merge from Master