Hard upstream sync (#6951)

* maps - none of our changes included yet i'll get them in after i finish up the rest of the sync

* sync part 1 - underscore folders in code

* controllers folder

* datums folder

* game folder

* cmon, work

* modules - admin to awaymissions

* cargo to events

* fields to lighting

* mapping > ruins

* rest of the code folder

* rest of the folders in the root directory

* DME

* fixes compiling errors. it compiles so it works

* readds map changes

* fixes dogborg module select

* fixes typo in moduleselect_alternate_icon filepath

code/modules/vending/clothesmate.dm

@@ -3,6 +3,7 @@
 	name = "ClothesMate" //renamed to make the slogan rhyme
 	desc = "A vending machine for clothing."
 	icon_state = "clothes"
+	icon_deny = "clothes-deny"
 	product_slogans = "Dress for success!;Prepare to look swagalicious!;Look at all this free swag!;Why leave style up to fate? Use the ClothesMate!"
 	vend_reply = "Thank you for using the ClothesMate!"
 	products = list(/obj/item/clothing/head/that = 2,