Merge branch 'master' of https://github.com/VOREStation/Polaris into aro-sync-05-25-2018

# Conflicts:
#	code/__defines/misc.dm
#	code/controllers/master_controller.dm
#	code/game/machinery/computer3/computers/card.dm
#	code/game/objects/items/devices/communicator/UI.dm
#	code/game/objects/items/stacks/medical.dm
#	code/game/objects/structures/signs.dm
#	code/modules/admin/admin_verbs.dm
#	code/modules/client/client defines.dm
#	code/modules/client/client procs.dm
#	code/modules/clothing/clothing.dm
#	code/modules/clothing/under/accessories/holster.dm
#	code/modules/events/radiation_storm.dm
#	code/modules/mining/machine_processing.dm
#	code/modules/mob/living/carbon/human/species/station/prometheans.dm
#	code/modules/mob/living/living.dm
#	code/modules/mob/living/simple_animal/animals/bear.dm
#	code/modules/mob/living/simple_animal/animals/cat.dm
#	code/modules/mob/living/simple_animal/animals/parrot.dm
#	code/modules/mob/mob.dm
#	code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm
#	code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
#	code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
#	code/modules/reagents/reagent_dispenser.dm
#	config/example/config.txt
#	html/changelogs/.all_changelog.yml
#	interface/skin.dmf
#	maps/southern_cross/southern_cross-1.dmm
#	vorestation.dme

code/modules/hydroponics/seed_controller.dm

@@ -81,7 +81,7 @@ var/global/datum/controller/plants/plant_controller // Set in New().
 
 	// Make sure any seed packets that were mapped in are updated
 	// correctly (since the seed datums did not exist a tick ago).
-	for(var/obj/item/seeds/S in world)
+	for(var/obj/item/seeds/S in all_seed_packs)
 		S.update_seed()
 
 	//Might as well mask the gene types while we're at it.

code/modules/hydroponics/seed_packets.dm

@@ -1,5 +1,7 @@
 var/global/list/plant_seed_sprites = list()
 
+GLOBAL_LIST_BOILERPLATE(all_seed_packs, /obj/item/seeds)
+
 //Seed packet object/procs.
 /obj/item/seeds
 	name = "packet of seeds"