Reverts Cael's retard flailing.  Do not fuck with zone sharing ratios unless you know what you are doing, as air movement then becomes quite chaotic and derpy.  Should fix some issues with ZAS.
Fixed fire.
Merge pull request #2619 from Asanadas/master

BEF Merge
Makes liquid fuel cleanable again.  Got removed in last commit since all that was done was revert Cael's changes.
Merge pull request #2621 from SkyMarshal/bugfixes

Reverts Cael's retard flailing.  Do not fuck with zone sharing ratios...  Also: Fixed fire.
Utopia fixes.
by rowtree
Merge pull request #2622 from Spamcat/master

NRA Utopia
Rowtree bugged me to commit this for him.
Merge pull request #2623 from SkyMarshal/bugfixes

Rowtree bugged me to commit this for him.
Alignment adjustment for IA clothing sprites.
Fire apparently was ignoring fire/temperature resistant things, I was informed of a possible fix (commenting out the call to the FireBurn proc when you are in a tile with fire, thanks Nernums) and should hopefully resolve the issue.
Merge pull request #2625 from SkyMarshal/bugfixes

Fire apparently was ignoring fire/temperature resistant things, I was informed of a possible fix...
Merge pull request #2624 from Asanadas/master

Sprite: IA clothing prone fix
Updating RowtreeStation.dmm.
Merge pull request #2633 from Asanadas/master

Update for Rowtree
Emergency Internal Affairs round-start spawn fix. Also quickie zoning fix in the AI core.
Sprite fix for Skrell right arms and legs overlapping out of clothing.
Merge pull request #2635 from Asanadas/master

Map: tgstation.2.1.0.0.1.dmm Internal Affairs Spawn Fix (& SKRELL ARMS)
RowtreeStation.dmm v7
Merge pull request #2637 from Asanadas/master

Rowtreestation v7