Adds the Aut'akh unathi (#5919)

* Base work for the unathi robot subspecies.

* Adds metabolism species, kidney vars, and the robot unathi organs.

* Moves some action buttons to organs, pretty much a bay port right now. Todo: the unathi and alien stuff should also go here.

* First autakh implant power.

* Fixes the organs action button this time.

* Finishes more implants, and interactions with flashs and vaurca.

* Prepare for great changes.

* Drops the real bomb, boss.

* He who fights with monsters.

* Far more work into augments and limb removing powers.

* Limb verbs should be good now.

* A LOT of work into the assited organ, allowing it to bleed and etc, as well adding a new chem that will stop bleeding in their case.

* Probably the last work on implants.

* Some extra touches.

* Some tweaks to the species.

* More fixes and adds kyre's sprites.

* More runtime fixes.

* Fixes the species name too.

* Fixes travis.

* Updates this file too to work with the new tools procs.

* Adds changelog

* Fixed changelog.

* Unathi hair and lore description.

* Some tweaks to this too.

* Locks away them for now, they will be released after we got all the events and etc done.

* Changes this chemical.

* Fixes an airlock runtime.

* Adds the non scan flag to the autakh, mostly due to some bizzare interactions with changelings and cloning.

* Organs removal changes; can't take out the organ if it is too damage.

* Restricts them back again.

* Robotic organs now have the proper icons and names.

* Adds sprites for their organs and some extra tweaks.

* Fixes this missing icon.

* emp should also now hurt assited organs.

* Tweaks more organ related things.

* Fixes the head not being properly set as well.

* Fixes their flags.

* fixes the flag for real this time.

* Poze's review.

* Changes the au'takh organ buttons to don't be animated.

* Helps with adminbus or something.

* Fowl's requested changes.

* Fixes a typo.

* Robotic limb's brute and burn mods are now controlled by the limb model.

* Fowl's changes once more.

* Stops some spam.

* More grammar.

* No eal.

* Skull's review.

code/game/objects/effects/decals/contraband.dm

@@ -91,7 +91,7 @@
 
 	if(!serial)
 		serial = rand(1, poster_designs.len) //use a random serial if none is given
-	
+
 	serial_number = serial
 
 	var/datum/poster/design
@@ -100,7 +100,7 @@
 		design = new path
 	else
 		design = poster_designs[serial_number]
-		
+
 	set_poster(design)
 
 	switch (placement_dir)
@@ -124,7 +124,7 @@
 	icon_state = design.icon_state // poster[serial_number]
 
 /obj/structure/sign/poster/attackby(obj/item/weapon/W as obj, mob/user as mob)
-	if(iswirecutter(W))
+	if(W.iswirecutter())
 		playsound(loc, 'sound/items/Wirecutter.ogg', 100, 1)
 		if(ruined)
 			user << "<span class='notice'>You remove the remnants of the poster.</span>"

code/game/objects/effects/spiders.dm

@@ -25,7 +25,7 @@
 
 	var/damage = W.force / 4.0
 
-	if(iswelder(W))
+	if(W.iswelder())
 		var/obj/item/weapon/weldingtool/WT = W
 
 		if(WT.remove_fuel(0, user))