Merge pull request #3737 from Mloc/maptext-status

Ported code from /tg/station to make brig timer panels and status displays use maptext instead of expensive icon procs.
Merge pull request #3735 from Mloc/fixeroos

Fixes.
Merge pull request #3743 from Mloc/zas-updateairpropfix

Much better solution to the zone geometry bug
Merge pull request #3744 from Baystation12/dev-freeze

BYOND AKBAR
Applied Arancalos fix for firedoors, no more process for them
Derp
Merge pull request #3747 from comma/master

Applied Arancalos fix for firedoors, no more process for them