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/surgery/amputation.dm

@@ -20,9 +20,6 @@
 	user.visible_message("[user] severs [L]'s [parse_zone(target_zone)]!", "<span class='notice'>You sever [L]'s [parse_zone(target_zone)].</span>")
 	if(surgery.operated_bodypart)
 		var/obj/item/bodypart/target_limb = surgery.operated_bodypart
-		var/obj/item/held_item = L.get_item_for_held_index(target_limb.held_index)
 		target_limb.drop_limb()
-		if(held_item && held_item.flags & NODROP)
-			qdel(target_limb) // arm is ruined
 
 	return 1