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/mob/dead/observer/logout.dm

@@ -1,6 +1,7 @@
 /mob/dead/observer/Logout()
 	if (client)
-		client.images -= ghost_darkness_images
+		client.images -= (GLOB.ghost_images_default+GLOB.ghost_images_simple)
+
 	if(observetarget)
 		if(ismob(observetarget))
 			var/mob/target = observetarget