docs: restructure and update AUTHORS.md

refs #5078

Change-Id: I971216a8d6f340b77927058eaa871a6939d4b1e6
diff --git a/AUTHORS.md b/AUTHORS.md
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-jndn-mock authors and contributors
-==================================
+# jndn-mock Authors
 
-* Andrew Brown        <andrew.brown@intel.com>
-* Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
+The following lists maintainers, primary developers, and all much-appreciated contributors to jndn-mock in alphabetic order.
+The specific contributions of individual authors can be obtained from the git history of the [official jndn-mock repository](https://github.com/named-data/jndn-mock).
+If you would like to become a contributor to the official repository, please follow the recommendations in https://github.com/named-data/.github/blob/master/CONTRIBUTING.md.
+
+* ***(Maintainer)*** Alexander Afanasyev <https://users.cs.fiu.edu/~afanasyev>
+* ***(Former Maintainer)*** Andrew Brown <https://github.com/abrown>
+* Eric Newberry <https://ericnewberry.com>
+* Hans Pabst <https://www.linkedin.com/in/pabst>
+* Barry Pivitt <https://github.com/brpivitt>