Gives AI a personal atmospherics control subsystem.

Includes further work on NanoUI interactions.

code/modules/nano/interaction/self.dm

@@ -0,0 +1,10 @@
+/*
+	This state checks that the src_object is the same the as user
+*/
+/var/global/datum/topic_state/self_state/self_state = new()
+
+/datum/topic_state/self_state/can_use_topic(var/src_object, var/mob/user)
+	if(src_object != user)
+		return STATUS_CLOSE
+
+	return user.shared_nano_interaction()