FileAnalysis: checkpoint in middle of big reorganization.

- FileAnalysis::Info is now just a record used for logging, the fa_file
  record type is defined in init-bare.bro as the analogue to a
  connection record.

- Starting to transfer policy hook triggers and analyzer results to
  events.

src/Event.cc

@@ -62,6 +62,7 @@ EventMgr::EventMgr()
 	current_aid = 0;
 	src_val = 0;
 	draining = 0;
+	bypass_queue = false;
 	}
 
 EventMgr::~EventMgr()