Build environment

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+NAC Authors
+===========
+
+## The primary authors are (and/or have been):
+
+* Alex Afanasyev        <https://users.cs.fiu.edu/~afanasyev/>
+* Zhiyi Zhang           <dreamerbarrychang@gmail.com>
+* Yingdi Yu             <http://irl.cs.ucla.edu/~yingdi/>
+* Prashanth Swaminathan <prashanthsw@gmail.com>
+
+## All project authors and contributors
+
+The following is an inevitably incomplete list of MUCH-APPRECIATED CONTRIBUTORS,
+people who have reported bugs, submitted patches, and implemented new features
+in the library: