Merge remote-tracking branch 'origin/topic/vladg/mysql'

* origin/topic/vladg/mysql:
  Update baselines.
  Fix a logic bug with handling quits after the cleanup.
  Integrate MySQL with the software framework
  A bit of MySQL cleanup - removed unused events, consolidated similar events, fixed up main.bro a bit
  Move MySQL analyzer to the new plugin architecture.
  Add a btest for the Wireshark sample MySQL PCAP
  Add support for more commands, and support quit
  Redo the response handling..
  Whitespace/readability fixes.
  Add memleak and auth btests.
  Update baselines.
  Get MySQL to compile and add basic v9 support.
  MySQL analyzer

scripts/policy/protocols/mysql/software.bro

@@ -0,0 +1,20 @@
+##! Software identification and extraction for MySQL traffic.
+
+@load base/frameworks/software
+
+module MySQL;
+
+export {
+	redef enum Software::Type += {
+		## Identifier for MySQL servers in the software framework.
+		SERVER,
+	};
+}
+
+event mysql_server_version(c: connection, ver: string)
+	{
+	if ( ver == "" )
+		return;
+
+	Software::found(c$id, [$unparsed_version=ver, $host=c$id$resp_h, $software_type=SERVER]);
+	}