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/modules/vehicles/cargo_train.dm

@@ -63,7 +63,7 @@
 	return ..()
 
 /obj/vehicle/train/cargo/trolley/attackby(obj/item/weapon/W as obj, mob/user as mob)
-	if(open && iswirecutter(W))
+	if(open && W.iswirecutter())
 		passenger_allowed = !passenger_allowed
 		user.visible_message("<span class='notice'>[user] [passenger_allowed ? "cuts" : "mends"] a cable in [src].</span>","<span class='notice'>You [passenger_allowed ? "cut" : "mend"] the load limiter cable.</span>")
 	else

code/modules/vehicles/pussywagon.dm

@@ -141,14 +141,14 @@
 			user << "<span class='notice'>You replace \the [src]'s reagent reservoir.</span>"
 			return
 
-	if(iswrench(W) && open)
+	if(W.iswrench() && open)
 		if(bucket)
 			bucket.forceMove(user.loc)
 			bucket = null
 			user << "<span class='notice'>You remove \the [src]'s reagent reservoir.</span>"
 			return
 
-	if(iscrowbar(W) && !open)
+	if(W.iscrowbar() && !open)
 		if(bucket)
 			for(var/obj/item/I in hoovered)
 				I.forceMove(user.loc)

code/modules/vehicles/vehicle.dm

@@ -77,17 +77,17 @@
 /obj/vehicle/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if(istype(W, /obj/item/weapon/hand_labeler))
 		return
-	if(isscrewdriver(W))
+	if(W.isscrewdriver())
 		if(!locked)
 			open = !open
 			update_icon()
 			user << "<span class='notice'>Maintenance panel is now [open ? "opened" : "closed"].</span>"
-	else if(iscrowbar(W) && cell && open)
+	else if(W.iscrowbar() && cell && open)
 		remove_cell(user)
 
 	else if(istype(W, /obj/item/weapon/cell) && !cell && open)
 		insert_cell(W, user)
-	else if(iswelder(W))
+	else if(W.iswelder())
 		var/obj/item/weapon/weldingtool/T = W
 		if(T.welding)
 			if(health < maxhealth)