Added cycling airlocks. Fixed duplicate APC in the medical examination room. Fixed an issue with disposal pipes causing trash buildup in atmospherics office.

Signed-off-by: Jamini <mobiousjami@gmail.com>
Merge pull request #2255 from Jamini/master

Minor Map Fixes/Modifications.
Fixed invisible Ripley bug, added line of fluff to posibrain join message, reduced posibrain requirements.
Merge pull request #2258 from Zuhayr/master

Mecha sprite fix, posibrain fix.
Merge pull request #2261 from comma/master

Fixes
away-mission loader process&memory-leak
correct blood_incompatible proc
incompatible blood adds as toxins but 2 times less than original blood
iv drip taking blood can't be just syringe copypaste - stupid having 50 different blood-datums of 4 in volume
load alien whitelist on startup, all races available if not using WL
fixing robolimbs - that was here some time ago, but removed with update
allright, my fault on this line
Merge pull request #2263 from AterIgnis/master-fixes

Master fixes
Gave back rigs some fire protection.

Removed double definition for metablism.
No, monkeys do not have organs, stop lying.
Fixed burn damage treated as brute one for organs.
Wizard: Hugbox Edition.
Removed Ei Nath and mass gun spawn.
Fixed medical alt titles spawning naked, as much as I approve of Nurses doing it.
Fixed ID having general rank instead of alt title.
Axed out some ambiguous alt titles, made capitalization more consistent in others.