Merge remote-tracking branch 'origin/topic/seth/zeek_init'

* origin/topic/seth/zeek_init:
  Some more testing fixes.
  Update docs and tests for bro_(init|done) -> zeek_(init|done)
  Implement the zeek_init handler.

testing/btest/scripts/base/files/extract/limit.zeek

@@ -39,7 +39,7 @@ event file_extraction_limit(f: fa_file, args: any, limit: count, len: count)
 		print outfile, FileExtract::set_limit(f, args, 0);
     }
 
-event bro_init()
+event zeek_init()
 	{
 	outfile = open(fmt("%s.out", efname));
 	}