Update contributor name m-grimaud to Ben Kerl

Resolves #310

Author: hollasch

index.html

@@ -112,6 +112,7 @@ <h2>Contributors</h2>
       <li>Apoorva Joshi
       <li>Becker
       <li>Benjamin Summerton
+      <li>Ben Kerl
       <li>Bennett Hardwick
       <li>Berna Kabadayı
       <li>Dan Drummond
@@ -127,7 +128,6 @@ <h2>Contributors</h2>
       <li>Joey Cho
       <li>Lorenzo Mancini
       <li>Lori Whippler Hollasch
-      <li>M-Grimaud
       <li>Marcus Ottosson
       <li>Matthew Heimlich
       <li>Nakata Daisuke