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/controllers/subsystem/ping.dm

@@ -1,20 +1,15 @@
 #define PING_BUFFER_TIME 25
 
-var/datum/controller/subsystem/ping/SSping
-
-/datum/controller/subsystem/ping
+SUBSYSTEM_DEF(ping)
 	name = "Ping"
 	wait = 6
 	flags = SS_NO_INIT|SS_POST_FIRE_TIMING|SS_FIRE_IN_LOBBY
 	priority = 10
 	var/list/currentrun
 
-/datum/controller/subsystem/ping/New()
-	NEW_SS_GLOBAL(SSping)
-
 /datum/controller/subsystem/ping/fire(resumed = FALSE)
 	if (!resumed)
-		src.currentrun = clients.Copy()
+		src.currentrun = GLOB.clients.Copy()
 
 	var/list/currentrun = src.currentrun
 	while (length(currentrun))