Tg port 2 15 (#230)

* defines/helpers

* globalvars, onclick, controllers

* datums and game

* woooooooooorld. Uh. dm

* modules sans mobs client admin

* modules/admin

* pref shit

* modules/mob

* icon updates

* extra things

* Cherrypicked fixes from open PRs

* metastation.tgm fix

* a better meta fix

* reverts async breakings

code/modules/mob/living/emote.dm

@@ -462,5 +462,6 @@
 	user.spin(20, 1)
 	if(istype(user, /mob/living/silicon/robot))
 		var/mob/living/silicon/robot/R = user
-		R.riding_datum.force_dismount()
+		if(R.riding_datum)
+			R.riding_datum.force_dismount()
 	..()