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/mining/equipment/explorer_gear.dm

@@ -160,7 +160,7 @@
 
 /obj/item/clothing/suit/hooded/explorer/heva
 	name = "HEVA suit"
-	desc = "The Hazardous Environments extra-Vehicular Activity suit, developed by WanTon & Sons Perilous Mining and sold to Nanotrasen for missions within inhospitable, mineral-rich zones. \
+	desc = "The Hazardous Environments extra-Vehicular Activity suit, developed by WanTon & Sons Perilous Mining and sold to GATO for missions within inhospitable, mineral-rich zones. \
 			Its sleek plating deflects most biological - radioactive - and chemical substances and materials. Most notably, this will negate the effects of ash storms and give goliaths better grip against you."
 	icon_state = "heva"
 	item_state = "heva"

code/modules/mining/equipment/survival_pod.dm

@@ -107,7 +107,7 @@
 	icon = 'icons/obj/device.dmi'
 	icon_state = "beacon"
 	template_id = "reactor"
-	
+
 //Pod objects
 
 //Window
@@ -314,7 +314,7 @@
 //Signs
 /obj/structure/sign/mining
 	name = "nanotrasen mining corps sign"
-	desc = "A sign of relief for weary miners, and a warning for would-be competitors to Nanotrasen's mining claims."
+	desc = "A sign of relief for weary miners, and a warning for would-be competitors to GATO's mining claims."
 	icon = 'icons/turf/walls/survival_pod_walls.dmi'
 	icon_state = "ntpod"
 	buildable_sign = FALSE