Metrics framework update. Mostly to make metrics work on clusters.

- Metrics now work on cluster deployments with no caveats.  It should be
  completely transparent.  Intermediate updates to speed some detection
  will come later.

scripts/base/frameworks/metrics/non-cluster.bro

@@ -0,0 +1,17 @@
+
+module Metrics;
+
+export {
+
+}
+
+event Metrics::log_it(filter: Filter)
+	{
+	local id = filter$id;
+	local name = filter$name;
+	
+	write_log(network_time(), filter, store[id, name]);
+	reset(filter);
+	
+	schedule filter$break_interval { Metrics::log_it(filter) };
+	}