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/plugins/protocol-plugin/scripts/Demo/Foo/base/main.zeek

@@ -1,7 +1,7 @@
 
 const ports = { 4242/tcp };
 
-event bro_init() &priority=5
+event zeek_init() &priority=5
 	{
 	Analyzer::register_for_ports(Analyzer::ANALYZER_FOO, ports);
 	}