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/items/weapons/material/material_weapons.dm

@@ -84,30 +84,4 @@
 	playsound(src, "shatter", 70, 1)
 	if(!consumed && drops_debris) material.place_shard(T)
 	qdel(src)
-/*
-Commenting this out pending rebalancing of radiation based on small objects.
-/obj/item/weapon/material/process()
-	if(!material.radioactivity)
-		return
-	for(var/mob/living/L in range(1,src))
-		L.apply_effect(round(material.radioactivity/30),IRRADIATE, blocked = L.getarmor(null, "rad"))
-*/
 
-/*
-// Commenting this out while fires are so spectacularly lethal, as I can't seem to get this balanced appropriately.
-/obj/item/weapon/material/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
-	TemperatureAct(exposed_temperature)
-
-// This might need adjustment. Will work that out later.
-/obj/item/weapon/material/proc/TemperatureAct(temperature)
-	health -= material.combustion_effect(get_turf(src), temperature, 0.1)
-	check_health(1)
-
-/obj/item/weapon/material/attackby(obj/item/weapon/W as obj, mob/user as mob)
-	if(iswelder(W))
-		var/obj/item/weapon/weldingtool/WT = W
-		if(material.ignition_point && WT.remove_fuel(0, user))
-			TemperatureAct(150)
-	else
-		return ..()
-*/

code/game/objects/items/weapons/material/shards.dm

@@ -47,7 +47,7 @@
 		alpha = 255
 
 /obj/item/weapon/material/shard/attackby(obj/item/weapon/W as obj, mob/user as mob)
-	if(iswelder(W) && material.shard_can_repair)
+	if(W.iswelder() && material.shard_can_repair)
 		var/obj/item/weapon/weldingtool/WT = W
 		if(WT.remove_fuel(0, user))
 			material.place_sheet(user.loc)