MySQL analyzer
Get MySQL to compile and add basic v9 support.
Update baselines.
Add memleak and auth btests.
Whitespace/readability fixes.
Redo the response handling..
Add support for more commands, and support quit
Add a btest for the Wireshark sample MySQL PCAP
[FIX] Add files to result table even if the files are empty
[FIX] exec should write an empty string when file is empty instead of the filename
[ADD] added baseline for the new exec test and added a test to check for the empty files fix.
[ADD] added baseline for the new active-http test and added a test to check for the content-length 0 fix.
[ADD] Added the feature to return 0 content to the python http test server and added functionality for post requests
Plugins: Change order in which plugins' scripts are loaded at startup.

We now load the top-level  __init__.bro before the internal bif.bro so
that the former can define types used by the latter.
Merge remote-tracking branch 'origin/topic/struck/BIT-1277'

* origin/topic/struck/BIT-1277:
  [ADD] Added the feature to return 0 content to the python http test server and added functionality for post requests
  [ADD] added baseline for the new active-http test and added a test to check for the content-length 0 fix.
  [ADD] added baseline for the new exec test and added a test to check for the empty files fix.
  [FIX] exec should write an empty string when file is empty instead of the filename
  [FIX] Add files to result table even if the files are empty

BIT-1277 #merged
Fixing unstable test.
Adding missing baseline.
Wrong port in scripting documentation

HTTP is port 80 not 53
Merge branch 'patch-1' of https://github.com/vice/bro

* 'patch-1' of https://github.com/vice/bro:
  Wrong port in scripting documentation
Updating submodule(s).

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