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/error_handler/error_viewer.dm

@@ -8,10 +8,10 @@
 //   right here:
 
 #ifdef DEBUG
-/var/datum/error_viewer/error_cache/error_cache = new()
+GLOBAL_DATUM_INIT(error_cache, /datum/error_viewer/error_cache, new)
 #else
 // If debugging is disabled, there's nothing useful to log, so don't bother.
-/var/datum/error_viewer/error_cache/error_cache = null
+GLOBAL_DATUM(error_cache, /datum/error_viewer/error_cache)
 #endif
 
 // - error_source datums exist for each line (of code) that generates an error,
@@ -80,7 +80,7 @@
 
 /datum/error_viewer/error_cache/show_to(user, datum/error_viewer/back_to, linear)
 	var/html = build_header()
-	html += "<b>[global.total_runtimes]</b> runtimes, <b>[global.total_runtimes_skipped]</b> skipped<br><br>"
+	html += "<b>[GLOB.total_runtimes]</b> runtimes, <b>[GLOB.total_runtimes_skipped]</b> skipped<br><br>"
 	if (!linear)
 		html += "organized | [make_link("linear", null, 1)]<hr>"
 		var/datum/error_viewer/error_source/error_source
@@ -137,7 +137,7 @@
 
 /datum/error_viewer/error_source/show_to(user, datum/error_viewer/back_to, linear)
 	if (!istype(back_to))
-		back_to = error_cache
+		back_to = GLOB.error_cache
 
 	var/html = build_header(back_to)
 	for (var/datum/error_viewer/error_entry/error_entry in errors)