Sounds in space/places with low pressure are quieter. You cannot hear people in low pressure environments unless you are next to them (or are them)
Removes unnecessary check
Cleans up italics logic
Adds AsteroidStation
Fixes radiation processing for aliens, brains and monkeys
* prevent brains and monkeys from having negative radiation levels
* humanize and monkeyize now also transfer radiation levels if using the TR_KEEPDAMAGE flag
Whoop you don't need that
Remove the -5 throwforce against grilles, replaces with * 0.5

As per dicusssion on #6092 which Raz merged before I could add the change.

Max left in as a guard against -forces magically healing the grille.
User with jetpack now doesn't get slowed while in low gravity

Having both hands full doesn't stack a futher penalty
Lets AI and Borgs control auto announcements

The AI and cyborgs can now control if they speak on the radio and the
channel used when stating laws or  (AI only) announcing new player
arrivals.
Fixes being able to place multiple fulltile window on a grille.
Fixes being able to place a fulltile window on a grille with single dir windows.
Fixes a typo in grille message.
Grille now needs to be anchored to place a window on it.
Temp + weight + suit weight no longer slows out of gravity

Space is still slightly slower without a jetpack.
Merge remote-tracking branch 'remotes/upstream/master' into Autosay_Fix

Conflicts:
	code/modules/mob/living/silicon/silicon.dm
Merge branch 'master' of https://github.com/tgstation/-tg-station into SpaceNooneHearScreams

Conflicts:
	code/__DEFINES/misc.dm
Made the mech recharger computer display a warning when the mech cell is faulty (critically failing).
makes doors and airlocks consistent
firedoors reopening when someone is inside of it
makes airlocks properly crush people when they're halfway closed and safety is off
intial commit, renames stechkin
Adds a changelog

Changelogs because those are important for telling players what changed!