Update AUTHORS

Author: jizhouli

AUTHORS

@@ -11,4 +11,5 @@ Contributors:
 * teknolog2000 (https://github.com/teknolog2000);
 * ChaosEternal (https://github.com/ChaosEternal);
 * SimplicityGuy (https://github.com/SimplicityGuy);
-* RoyWilliams (https://github.com/rowillia);
+* Roy Williams (https://github.com/rowillia);
+* Vinod Gupta (https://github.com/codervinod)