nanotrasen to gato

Replaced most instances of Nanotrasen mentions into GATO, though I've kept some that have more sense to be kept as Nanotrasen (like nanotrasen marked stuff and such)

code/modules/food_and_drinks/drinks/drinks/bottle.dm

@@ -261,7 +261,7 @@
 		if("A&A")
 			fullname = "Ash and Asher"
 		if("Generic")
-			fullname = "Nanotrasen Cheap Imitations"
+			fullname = "GATO Cheap Imitations"
 	var/chance = 50
 
 	if(prob(chance))

code/modules/food_and_drinks/food/snacks_meat.dm

@@ -476,7 +476,7 @@
 
 /obj/item/reagent_containers/food/snacks/cube/chicken
 	name = "chicken cube"
-	desc = "A new Nanotrasen classic, the chicken cube. Tastes like everything!"
+	desc = "A new GATO classic, the chicken cube. Tastes like everything!"
 	list_reagents = list(/datum/reagent/consumable/eggyolk = 30, /datum/reagent/medicine/strange_reagent = 1)
 	tastes = list("chicken" = 1, "the country" = 1, "chicken bouillon" = 1)
 	dried_being = /mob/living/simple_animal/chicken

code/modules/food_and_drinks/kitchen_machinery/icecream_vat.dm

@@ -10,7 +10,7 @@
 
 /obj/machinery/icecream_vat
 	name = "ice cream vat"
-	desc = "Ding-aling ding dong. Get your Nanotrasen-approved ice cream!"
+	desc = "Ding-aling ding dong. Get your GATO-approved ice cream!"
 	icon = 'icons/obj/kitchen.dmi'
 	icon_state = "icecream_vat"
 	density = TRUE