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/game/machinery/computer/camera.dm

@@ -123,7 +123,7 @@
 //returns the list of cameras accessible from this computer
 /obj/machinery/computer/security/proc/get_available_cameras()
 	var/list/L = list()
-	for (var/obj/machinery/camera/C in cameranet.cameras)
+	for (var/obj/machinery/camera/C in GLOB.cameranet.cameras)
 		if((z > ZLEVEL_SPACEMAX || C.z > ZLEVEL_SPACEMAX) && (C.z != z))//if on away mission, can only recieve feed from same z_level cameras
 			continue
 		L.Add(C)