Merge remote-tracking branch 'origin/topic/jsiwek/zeek-script-args'

* origin/topic/jsiwek/zeek-script-args:
  Improve zeek_script_args test case and documentation
  Apply suggestions from code review
  Add a test for script args.
  Fixed an option processing bug
  Make it possible to pass command line options through to scripts.

NEWS

@@ -37,7 +37,7 @@ New Functionality
 - Added a ``udp-state`` signature condition to enforce matching against
   either "originator" or "responder" flow direction of UDP packets.
 
-- Improvements to catpure-loss.zeek:
+- Improvements to capture-loss.zeek:
 
   - A new option, ``CaptureLoss::initial_watch_interval``.  When restarting a
     Zeek cluster, one usually wants some immediate feedback as to the health of
@@ -54,6 +54,13 @@ New Functionality
     capture-loss.zeek would have previously only reported that "0 gaps and 0
     ACKs is 0% loss".
 
+- A new ``zeek_script_args`` variable contains a list of arguments passed
+  to a script.  E.g. either when explicitly executing Zeek like
+  ``zeek -- myscript.zeek -arg1 -arg2``, or when using Zeek to interpret
+  executable scripts that contain a hashbang line at the top like::
+
+    #!/usr/local/zeek/bin/zeek --
+
 Changed Functionality
 ---------------------