Add Steve's VI with NFs curriculum

Author: avital

_config.yml

@@ -51,6 +51,10 @@ riley:
     name: Riley Edmunds
     email: rileyedmunds@gmail.com
     web: https://www.linkedin.com/in/rileyedmunds
+kroon:
+    name: Steve Kroon
+    email: skroon@gmail.com
+    web: https://twitter.com/skroon
 
 # Build settings
 markdown:       kramdown

_posts/2020-03-02-SVGD.markdown

@@ -8,7 +8,7 @@ blurb: "Stein Variational Gradient Descent is a powerful, non-parameteric Bayesi
 feedback: true
 ---
 
-[Editor’s Note: This class was a part of the 2019 DFL Jane Street Fellowship.]
+[Editor’s Note: This class was a part of the 2019 DFL [Jane Street](https://www.janestreet.com/) Fellowship.]
 
 This guide is thanks to a many different people, all of whom took their time to give feedback, write reviews, and provide their own insights to the curriculum.
 

_posts/2020-04-07-Resurrecting-Sigmoid.markdown

@@ -10,7 +10,7 @@ networks with gradient-based methods. This paper studies, from a rigorous theore
 feedback: true
 ---
 
-[Editor’s Note: This class was a part of the 2019 DFL Jane Street Fellowship.]
+[Editor’s Note: This class was a part of the 2019 DFL [Jane Street](https://www.janestreet.com/) Fellowship.]
 
 This guide would not have been possible without the help and feedback from many people.