Fix for minute traces of toxins in the air causing firestorms.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Merge pull request #3537 from Mloc/firefix

Fix for minute traces of toxins in the air causing firestorms.
Disabled airlock heat transfer after community vote.

Signed-off-by: Mloc <colmohici@gmail.com>
Merge pull request #3538 from Mloc/insulation

Disabled airlock heat transfer after community vote.
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Fixed issues with ;.
Removed outdated var, fixed failure to show garbled monkey speech.
Added a headgear check to borer infestation.
Allowed captive brains to actually understand things.
Allowed whispers to reach host brains.
Missing a paren.
Allowed monkeys to use radios.
Merge pull request #3539 from Zuhayr/dev

Fixes