Port over three PRs from TG about component.

code/controllers/subsystem/garbage.dm

@@ -295,11 +295,12 @@ SUBSYSTEM_DEF(garbage)
 
 
 	if(isnull(D.gc_destroyed))
-		D.SendSignal(COMSIG_PARENT_QDELETED)
+		SEND_SIGNAL(D, COMSIG_PARENT_QDELETED, force) // Give the components a chance to prevent their parent from being deleted
 		D.gc_destroyed = GC_CURRENTLY_BEING_QDELETED
 		var/start_time = world.time
 		var/start_tick = world.tick_usage
 		var/hint = D.Destroy(arglist(args.Copy(2))) // Let our friend know they're about to get fucked up.
+		SEND_SIGNAL(D, COMSIG_PARENT_QDELETED, force, hint) // Let the (remaining) components know about the result of Destroy
 		if(world.time != start_time)
 			I.slept_destroy++
 		else