Fix a wrong null check in posibrain

A wrong nullcheck that prevent posibrain searching for a player
Merge pull request #2656 from Jupotter/master

FIx posibrain unable to be started
Removing the captain spawning in with his space suit armor.
Bugfix: Adds in a check to make sure atmos code has been loaded before trying to generate, preventing some runtimes.

Tweak: Removes captain's armour from spawn code.

Tweak: Captain's PDA now spawns with messenger on but is now undetonateable.
final tweak for cap's PDA to do as advertised.
Fixes the bug with Filters allowing insane overpressurization.
Merge pull request #2665 from SkyMarshal/master

Fix for Hawkie: Filters no longer should super-over-pressurize one of the outputs.
Merge pull request #2662 from Asanadas/master

Misc: Removing the captain's space suit armor on-spawn
Activated magboots will now, definitely, prevent airflow based grieving of your personage.  (Included is a possible fix for airflow opening doors by throwing you at them)
Added in code to debug ZAS tile interactions, currently in the unchecked "Debug" file.
The blasted FloodFill proc now works properly, and zones are connecting right (Should finally fix that damn part of medbay not connecting to the hallway)
Plasma can contaminate again.
The master controller and world startup code has been reworked for faster server boots.
Fixed a runtime originating from a Away Mission map trying to create objects of type "null"
Airflow now prevents doors being bumped open.
Plasma settings changed as per Cacophony
Airflow defaults changed as per Cacophony
Plasma now has an effect other than what happens when breathed. (contamination readded)
Washing machines now clean off contamination.
Plasma no longer contaminates backpacks (They cannot be washed)
Increased speed of zone equalization.
Lighting controller and ticker now initialized after world is set up and a player has joined.
Changeloooog~
Merge pull request #2666 from SkyMarshal/master

Loadsafixes.  See description. (Changelog updated retroactively)
Fix for lighting before roundstart.
Merge pull request #2667 from SkyMarshal/master

Fix for lighting before roundstart.
Merge branch 'master' of https://github.com/Baystation12/Baystation12

Conflicts:
	code/game/jobs/job/captain.dm
Merge pull request #2664 from Ravensdale/master

Runtime fix and two tweaks to captain items.
Fixes lighting, backpacks getting contaminated, and bombs not working.
Merge pull request #2670 from SkyMarshal/master

Fixes lighting, Backpacks getting contaminated, and bombs not working.
Fixes an issue with fire leaving the trace_gases list full of nulls and revert some more of whatever Cael had done to that poor air-movement procedure.