Emergency shutters and Xenobiology door-renaming.

New setup of emergency shutters to replace a currently removed set in Xenobiology.
The door to Xenobiology/fauna is no longer labeled Misc. Research.
Moves a fire extinguisher away from emergency shutter turf, as a closed shutter may prevent access.
Merge pull request #5467 from PsiOmegaDelta/Tweak

Emergency shutters and Xenobiology door-renaming.