April sync (#360)

* Maps and things no code/icons

* helpers defines globalvars

* Onclick world.dm orphaned_procs

* subsystems

Round vote and shuttle autocall done here too

* datums

* Game folder

* Admin - chatter modules

* clothing - mining

* modular computers - zambies

* client

* mob level 1

* mob stage 2 + simple_animal

* silicons n brains

* mob stage 3 + Alien/Monkey

* human mobs

* icons updated

* some sounds

* emitter y u no commit

* update tgstation.dme

* compile fixes

* travis fixes

Also removes Fast digest mode, because reasons.

* tweaks for travis Mentors are broke again

Also fixes Sizeray guns

* oxygen loss fix for vore code.

* removes unused code

* some code updates

* bulk fixes

* further fixes

* outside things

* whoops.

* Maint bar ported

* GLOBs.

code/modules/spells/spell.dm

@@ -9,7 +9,7 @@
 	var/mob/living/ranged_ability_user
 	var/ranged_clickcd_override = -1
 
-var/list/spells = typesof(/obj/effect/proc_holder/spell) //needed for the badmin verb for now
+GLOBAL_LIST_INIT(spells, typesof(/obj/effect/proc_holder/spell)) //needed for the badmin verb for now
 
 /obj/effect/proc_holder/Destroy()
 	if(ranged_ability_user)
@@ -133,7 +133,7 @@ var/list/spells = typesof(/obj/effect/proc_holder/spell) //needed for the badmin
 			return 0
 
 	var/turf/T = get_turf(user)
-	if(T.z == ZLEVEL_CENTCOM && (!centcom_cancast || ticker.mode.name == "ragin' mages")) //Certain spells are not allowed on the centcom zlevel
+	if(T.z == ZLEVEL_CENTCOM && (!centcom_cancast || SSticker.mode.name == "ragin' mages")) //Certain spells are not allowed on the centcom zlevel
 		to_chat(user, "<span class='notice'>You can't cast this spell here.</span>")
 		return 0
 
@@ -329,6 +329,8 @@ var/list/spells = typesof(/obj/effect/proc_holder/spell) //needed for the badmin
 			adjust_var(user, holder_var_type, -holder_var_amount)
 
 /obj/effect/proc_holder/spell/proc/adjust_var(mob/living/target = usr, type, amount) //handles the adjustment of the var when the spell is used. has some hardcoded types
+	if (!istype(target))
+		return
 	switch(type)
 		if("bruteloss")
 			target.adjustBruteLoss(amount)