Add remaining core team emails to CREDITS (#4629)

msullivan · web-flow · commit 634411436dbf · 2018-02-23T16:38:37.000-08:00
diff --git a/CREDITS b/CREDITS
@@ -11,8 +11,8 @@ Dropbox core team:
 
   Jukka Lehtosalo <jukka.lehtosalo@iki.fi>
   Guido van Rossum <guido@python.org>
-  Ivan Levkivskyi
-  Michael J. Sullivan
+  Ivan Levkivskyi <levkivskyi@gmail.com>
+  Michael J. Sullivan <sully@msully.net>
 
 Non-Dropbox core team members:
 
