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/recycling/conveyor2.dm

@@ -222,7 +222,7 @@
 	update()
 
 	conveyors = list()
-	for(var/obj/machinery/conveyor/C in machines)
+	for(var/obj/machinery/conveyor/C in GLOB.machines)
 		if(C.id == id)
 			conveyors += C
 
@@ -271,7 +271,7 @@
 	update()
 
 	// find any switches with same id as this one, and set their positions to match us
-	for(var/obj/machinery/conveyor_switch/S in machines)
+	for(var/obj/machinery/conveyor_switch/S in GLOB.machines)
 		if(S.id == src.id)
 			S.position = position
 			S.update()