[MDB IGNORE] [IDB IGNORE] Late September TGU (#367)

* tgu

* updated paths

* updating more paths

* master server

* more repaths

* tgu

* oh these were defined

* y

* tgu

* fixes fulp shuttles i think

* revert

* tgu

* fix checks and stuff

* Update sound.dm

* Update tg_edits.md

* tgu

code/__HELPERS/datums.dm

@@ -0,0 +1,9 @@
+///Check if a datum has not been deleted and is a valid source
+/proc/is_valid_src(datum/source_datum)
+	if(istype(source_datum))
+		return !QDELETED(source_datum)
+	return FALSE
+
+/proc/call_async(datum/source, proc_type, list/arguments)
+	set waitfor = FALSE
+	return call(source, proc_type)(arglist(arguments))